CPC Definition - Subclass E04B
This place covers:
Building constructions, i.e. construction of edifices, their structural or non structural walls, their roof structures, their floor structures, suspended or false ceilings;
Insulation of buildings or other protection of buildings.
This place does not cover:
Railway vehicles | |
Motor vehicles | |
Ships or other waterborne vessels | |
Aircrafts; Cosmonautics | |
Bridges | |
Foundations | |
Structural elements for building construction | |
Roof coverings | |
Finishing work on buildings, e.g. lining, flooring | |
Scaffolding;Shuttering | |
Structures specially adapted for buildings for special purposes, general layout of buildings, e.g. modular co-ordination; Masts; Tents;Swimming pools | |
Small buildings for limited occupation, e.g. kiosks, waiting shelters for bus stops | |
Buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquakes, hurricanes | |
Border constructions of opening in walls, floors or ceilings | |
Devices for fastening or securing general constructional elements or machine parts together | |
Electromagnetic shielding |
This place covers:
Building constructions in general, i.e. construction of edifices; Structures of buildings which are not restricted either to walls, or floors or ceilings or roofs.
Special structures and methods of construction of buildings, e.g. arched, movable, collapsible, box-like structures; Connections for building structures, e.g. connections of slab-shaped or elongated members; Insulation or other protection of buildings, e.g. against water-damage, heat, sound, fire.
This place does not cover:
Partitions per se | |
Floor structures per se | |
Roof structures per se | |
Suspended or false ceilings per se | |
Foundations per se | |
Roof coverings per se | |
Scaffolds, shutterings | |
Structures specially adapted for buildings for special purposes;General layout of buildings, e.g. modular co-ordination |
This place covers:
Cellars, basements, also retrofitted under existing buildings;
Crawl spaces.
This subgroup covers foundations with the emphasis on the connection to a superstructure, as opposed to E02D where the emphasis is on the connection to the ground;
This place does not cover:
Foundations per se | |
Drainage and exterior waterproofing of foundation |
Exterior insulation of cellars is classified here.
This place covers:
Building with passages for fluids integrally formed with structural elements of the building.
This place does not cover:
Box-like or cell-like units for special technical purposes |
Attention is drawn to the following places, which may be of interest for search:
Building envelopes with canalisations for insulation purposes | |
Special adaptation of floor structures for incorporating ducts | |
Domestic plumbing installations for combinations of baths, showers, sinks, wash-basins, closets, urinals, or the like | |
Slab-shaped or panel-shaped building elements for locating conduits | |
Vertical ducts | |
Canalisation per se | |
Conducts for ventilation, heating systems or air-conditioning |
This place covers:
Loggias, wintergardens, enclosed balconies, verandas.
Attention is drawn to the following places, which may be of interest for search:
Greenhouses | |
Glass roofs | |
Bay windows |
This place covers:
Structures consisting primarily of large load-supporting panels or large load-supporting panel-shaped blocks.
This place does not cover:
Arched, vaulted or folded structures | |
Extraordinary structures | |
Structures characterised by movebale, separable or collapsible parts | |
Structures covering a large free area | |
Structures composed of e.g. box-like or cell-like units | |
Extraordinary methods of construction | |
Bearings or like supports allowing movement | |
Masonry walls |
This place covers:
Structures with elements consisting of specified materials other than concrete, stone-like material, metal or wood.
This place covers:
Structures with elements consisting of the combination of two or more specified structural materials.
This place does not cover:
Structures consisting primarily of reinforced concrete block-shaped or slab-shaped elements |
This place does not cover:
Arched, vaulted or folded structures | |
Extraordinary structures | |
Structures characterised by moveable, separable or collapsible parts | |
Structures covering a large free area | |
Structures composed of e.g. box-like or cell-like units | |
Extraordinary methods of construction | |
Bearings or like supports allowing movement |
Attention is drawn to the following places, which may be of interest for search:
Stacked prefabricated cells, e.g. with concrete poured between the cells | |
Permanent inflatable forms for concrete |
Use E04B 2/84 - E04B 2002/8694 for classifying additional information of details of lost formwork of cast in-situ walls.
This place does not cover:
Walls made by casting in-situ in permanent forms |
Use E04B 2/84 - E04B 2002/8694 for classifying additional information of details of lost formwork of cast in-situ walls.
This place does not cover:
Structures made from masses with vertical and horizontal slabs, both being partially cast in situ | |
Structures made from masses with vertical and horizontal slabs, only the vertical slabs being partially cast in situ | |
Structures made from masses with vertical and horizontal slabs, only the horizontal slabs being partially cast in situ |
This place does not cover:
Structures made from masses cast with inflatable flexible permanent forms |
This place covers:
Structures comprising elongated load-supporting parts, e.g. columns, beams, girders, skeletons.
This place does not cover:
Arched, vaulted or folded structures | |
Extraordinary structures | |
Structures characterised by moveable, separable or collapsible parts | |
Structures covering a large free area | |
Structures composed of e.g. box-like or cell-like units | |
Extraordinary methods of construction | |
Bearings or like supports allowing movement | |
Elongated load-supporting parts as elements, columns, beams, girders, trusses, truss-like structures |
Attention is drawn to the following places, which may be of interest for search:
Connection of bar-shaped building elements, i.e. of smaller cross-section | |
Log cabins |
This place covers:
Space frames, i.e. truss-like lightweight structures constructed from interconnected struts in a geometric pattern spanning a large area, with either short struts connected at the nodes or continuous struts folded at the nodes, wherein the frames are not habitable or accessible upon construction.
Attention is drawn to the following places, which may be of interest for search:
Vaulted roof structures with folded or grid-like formations acting as shell structures | |
Cosmonautic vehicles | |
Trusses | |
Truss-like towers or mats |
Documents showing large parts of the space frame are classified here, even if they show details of component parts or their connections. Use E04B 1/1903 - E04B 2001/1996 for classifying additional information of the details of the component parts of the space frame, their connections and the type of space frame for the documents classified in E04B 1/19.
Attention is drawn to the following places, which may be of interest for search:
Node corner connector for furniture |
Use E04B 2001/1924 - E04B 2001/1996 for classifying additional information of the details of the component parts of the space frame, their connections and the type of space frame for the documents classified in E04B 1/1903
Use E04B 2001/1924 - E04B 2001/1996 for classifying additional information of the details of the component parts of the space frame, their connections and the type of space frame for the documents classified in E04B 1/1906
Use E04B 2001/1924 - E04B 2001/1996 for classifying additional information of the details of the component parts of the space frame, their connections and the type of space frame for the documents classified in E04B 1/1909.
Use E04B 2001/1924 - E04B 2001/1996 for classifying additional information of the details of the component parts of the space frame, their connections and the type of space frame for the documents classified in E04B 1/1912.
This place covers:
Structures with posts and beams made from concrete.
This place does not cover:
Space frames |
Documents showing large parts of the structure are classified here, even if they show details of connections.
This place covers:
Structures with posts and beams made of metal
This place does not cover:
Space frames |
Documents showing large parts of the structure are classified here, even if they show details of component parts and their connections. Use E04B 1/2403 - E04B 2001/2496 for classifying additional information of the details of the component parts and their connections of the structures classified in E04B 1/24.
This place does not cover:
Connection of bar-shaped, i.e. of smaller cross-section, building elements |
Use E04B 2001/2466 - E04B 2001/2496 for classifying additional information of the documents classified in E04B 1/2403.
This place covers:
Structures with posts and beams made of wood.
This place does not cover:
Space frames | |
Log cabins | |
Caps for the protection of the ends of wooden beams against humidity |
Attention is drawn to the following places, which may be of interest for search:
Load-bearing walls with posts of wood |
Documents showing large parts of the structure are classified here, even if they show details of component parts and their connections; Use E04B 1/2604 - E04B 2001/2696 for classifying additional information of the documents classified in E04B 1/26.
This place does not cover:
Shear dowels for wood | |
Shear dowels for wood with self-penetrating parts |
Use E04B 2001/2696 for classifying additional information of the documents classified in E04B 1/2604.
This place does not cover:
Joist hangers |
Attention is drawn to the following places, which may be of interest for search:
Interlocking connectors, e.g. with hooks or dovetails, added to the elongated wooden members |
Attention is drawn to the following places, which may be of interest for search:
Connection node with interlocking of specially shaped wooden members, e.g. puzzle type connection |
This place covers:
Structures with posts and beams made of specified material other than concrete, stone-like material, metal, wood.
This place covers:
Structures with posts and beams made of at least two specified different materials having a structural function, e.g. a steel pipe filled with concrete
This place covers:
Arched structures; Vaulted structures; Arched or vaulted structures with a folded surface.
This place does not cover:
Structures deriving their rigidity from concertina folds | |
Vaulted roof structures |
Use E04B 2001/3217 - E04B 2001/3294 for classifying additional information of the component parts, their connections and the type of structures of the documents classified in E04B 1/32 - E04B 1/3211.
Do not use E04B 2001/0061 to classify the documents of E04B 1/32 - E04B 1/3211.
This place covers:
Structures in the shape of a portion of a cylinder, with a smooth or faceted surface.
This place covers:
Structures in the shape of a portion of a sphere, with a smooth or faceted surface.
This place does not cover:
Structures covering a large free area | |
Structures characterised by movable, separable or collapsible parts | |
Structures composed or box-like or cell-like units | |
Floor structures of extraordinary design; Features relating to the elastic stability of floors | |
Buildings for special purposes, e.g. withstanding earthquakes |
Exterior staircases retrofitted to buildings are classified in E04B 1/34.
This place does not cover:
Structures comprising mainly a central support and a cantilevered roof |
This place covers:
Mushroom-type structures or elongated structures having a "T" or "Y" vertical cross-section.
Attention is drawn to the following places, which may be of interest for search:
References E04B 7/16, B63B, B65G, E04H 1/12, E04H 6/02 and E04H 15/00 are non-limiting in subgroup E04B 1/343. CPC will be corrected once this inconsistency is resolved in IPC.
Looping references between E04B 1/343 and E04H 6/02 have been identified. Until this inconsistency is resolved in IPC, the current classification practice in CPC is as follows: both references are considered informative.
This place covers:
Structure with room-sized telescopic section extendable horizontally from a side of the structure or vertically from the top or bottom of the structure.
Attention is drawn to the following places, which may be of interest for search:
Telescopic wheeled arched structures | |
Telescopic roofs | |
Caravans or campers with telescopic sections | |
Swimming pools with movable roof sections |
Structures with more than one telescopic section extendable each from different surfaces of the structure, or with telescopic sections comprising two or more nested sub-sections are classified here.
This place covers:
Structure with a single telescopic section extendable horizontally from a side of the structure or vertically from the top or bottom of the structure.
Structures formed of a combination of structural elongated elements and structural panels are classified here.
Use E04B 1/61 - E04B 2001/6195 for classifying additional information of the details of the connections of the panels.
Use E04B 1/58 - E04B 2001/5893 for classifying additional information of the details of the connections of the longitudinal elements.
This place covers:
Mobile home structures.
This place does not cover:
Vehicle aspects of mobile homes |
Attention is drawn to the following places, which may be of interest for search:
Structures composed of a number of box-like units |
Attention is drawn to the following places, which may be of interest for search:
Ground anchors |
This place covers:
Structures with means for raising and lowering them above ground level;
Structures with means for retracting them into the ground and returning them to ground level.
Attention is drawn to the following places, which may be of interest for search:
Telescopic structures | |
Buildings raisable in case of floods |
Attention is drawn to the following places, which may be of interest for search:
Collapsible caravans |
Use E04B 1/34336 for classifying additional information of documents showing mobile homes.
Do not use E04B 1/34321 to classify the documents of E04B 1/344.
Collapsible articulated space frames are classified here.
Attention is drawn to the following places, which may be of interest for search:
Collapsible large containers |
This place covers:
Illustrative example of the subject matter classified in this subgroup:
This place covers:
Structures with rotating shell-forming segments, e.g. armadillo plates type structure.
Illustrative example of the subject matter classified in this subgroup:
Attention is drawn to the following places, which may be of interest for search:
Roof structures with movable sections | |
Swimming pools with movable roof sections |
Attention is drawn to the following places, which may be of interest for search:
Roofs with movables sections | |
Greenhouses with sliding roofs | |
Weather protection for road works | |
Weather protection for building works | |
Swimming pools with movable roof sections |
Half-arches wheeled at one extremity against a building wall and at the other end on the ground are also classified here.
Attention is drawn to the following places, which may be of interest for search:
Carousels for milking stations | |
Turntable for vehicles |
Do not use E04B 2001/0061 to classify the documents of E04B 1/346.
This place covers:
Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form, i.e. only the edges of the boxes or cells are materialized (only frame, no infill panels)
In E04B 1/348 - E04B 1/34861 use E04B 2001/34876 - E04B 2001/34892 for classifying additional information of documents showing sloping or barrel roof, or means allowing access to the structures.
This place covers:
Box-like units resting on shelves or beams of a supporting structure;
Stacked cells with concrete poured between the cells.
This place covers:
Structures with the main vertical structural parts consisting of concrete.
This place covers:
Structures with the main vertical structural parts consisting of metal.
This place covers:
Structures with the main vertical structural parts consisting of wood.
This place covers:
Structures with the main vertical structural parts consisting of specified material other than concrete, metal, wood.
This place covers:
Structures with the main vertical structural parts consisting of the combination of two or more specified structural materials.
This place covers:
Structures composed of units comprising at least considerable parts of two sides of a room where the units are pre-fitted for special technical purposes, e.g. with pre-fitted piping, plumbing, sanitary equipment or electrical wiring.
Attention is drawn to the following places, which may be of interest for search:
Structures composed of a number of box-like units | |
Combination of baths, douches, sinks, wash-basins, closets or urinals | |
Plumbing installations for baths, douches, or the like | |
Panels serving for locating conduits | |
Ducts for receiving installation lines |
Use E04B 2001/34876 - E04B 2001/34892 for classifying additional information of documents of E04B 1/34869 showing sloping or barrel roof, or means allowing access to the structures.
This place does not cover:
Extraordinary structures | |
Falsework, shuttering for shaping walls, floors, ceilings or roofs in situ | |
Conveying or assembling of building materials | |
Working measures on existing buildings |
Use E04B 2001/3561 - E04B 2001/3594 for classifying additional information of the documents of E04B 1/35 - E04B 1/3555.
This place does not cover:
Lift-slab;Extraordinary methods of construction characterised by a purely vertical lifting of floors or roofs or parts thereof | |
Extraordinary methods of construction characterised by erecting a vertical structure and then adding the floors from top to bottom | |
Extraordinary methods of construction characterised by raising a structure and then adding structural elements under it | |
Extraordinary methods of construction characterised by the raising of hingedly-connected building elements, e.g. arches, portal frames | |
Extraordinary methods of construction characterised by the use of a central column to lift and temporarily or permanently support structural elements | |
Extraordinary methods of construction characterised by the tilting-up of whole buildings or sections thereof, e.g. walls, portal frames |
Attention is drawn to the following places, which may be of interest for search:
Structures made from masses cast in-situ |
This place covers:
Structure raisable using temporary supports, e.g. scaffolding or lifting machines, or permanent supports.
This place does not cover:
Lift-slab; Extraordinary methods of construction characterised by a purely vertical lifting of floors or roofs or parts thereof | |
Extraordinary methods of construction characterised by erecting a vertical structure and then adding the floors from top to bottom | |
Extraordinary methods of construction characterised by the raising of hingedly-connected building elements, e.g. arches, portal frames |
This place covers:
Method of construction whereby the walls are added under the raised roof, e.g. in order to enable work in dry conditions
Attention is drawn to the following places, which may be of interest for search:
Enlarging an existing structure |
This place does not cover:
Extraordinary methods of construction characterised by the tilting-up of whole buildings or sections thereof, e.g. walls, portal frames |
Attention is drawn to the following places, which may be of interest for search:
Structures with hinged parts |
This place does not cover:
Extraordinary methods of construction characterised by erecting a vertical structure and then adding the floors from top to bottom | |
Extraordinary methods of construction characterised by the tilting-up of whole buildings or sections thereof, e.g. walls, portal frames |
Attention is drawn to the following places, which may be of interest for search:
Small buildings mainly supported by a central column or footing |
This place covers:
Bearings allowing movement of the supported structure due to exterior influences, but also allowing movement for the purpose of adjusting horizontal or angular position of the supported structure.
This place does not cover:
Bearings for bridges | |
Buildings withstanding earthquakes |
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Connecting or other auxiliary members for forms, falsework structures or shutterings | |
Releasable clips or clamps, hooks, wedges, wall-dowels, nails, bolts, rivets, screws, wood-screws |
This place does not cover:
Joist hangers | |
Shear dowels for concrete parts | |
Spacers other than masonry wall ties for cavity walls | |
Connectors for reinforcing elements | |
Fastening frames to the border of openings |
Attention is drawn to the following places, which may be of interest for search:
Supporting devices for connector reinforcing rods for concrete walls | |
Spacers between rows of masonry blocks |
Use E04B 2001/4192 for classifying additional information of connecting devices which are attached to the concrete reinforcement members for the documents classified in E04B 1/41 - E04B 1/4178.
This place does not cover:
Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails |
This place does not cover:
Elements with captive and extendable anchoring parts, e.g. spring-loaded bolts, hanging rings |
This place does not cover:
Dowels for holding a fastener |
This place covers:
Separate tie rods embedded in the horizontal or vertical masonry joints, for tying a masonry wall to a non-masonry support, e.g. a concrete wall or posts, or for making a T-junction between two masonry walls.
This place does not cover:
Masonry wall ties with insulation-layer locating devices | |
Replacing or adding wall ties |
Attention is drawn to the following places, which may be of interest for search:
Masonry blocs with integrated spacers or masonry walls with spacers not located in the masonry joints | |
Walls of framework or pillar-work with a brick veneer facing |
Use E04B 2001/4192 for classifying additional information of connecting devices which are attached to the concrete reinforcement members.
Use E04B 1/7616 for classifying additional information of connecting devices which are combined with insulation-layer locating devices.
This place covers:
Separate tie rods embedded in horizontal or vertical masonry joints, for tying two parallel masonry walls together.
This place does not cover:
Spacers for permanent forms |
Use E04B 1/7616 for classifying additional information of connecting devices which are combined with insulation-layer locating devices.
This place does not cover:
Shear dowels with self-penetrating parts |
Attention is drawn to the following places, which may be of interest for search:
Nail plates |
Attention is drawn to the following places, which may be of interest for search:
Welded, glued or the like joints, in general |
Joints with emphasis on the bar-shaped element, as opposed to F16B 7/00 where the emphasis is on the connector.
This place does not cover:
Connections of large longitudinal structural elements |
Attention is drawn to the following places, which may be of interest for search:
Use E04B 2001/5862 - E04B 2001/5893 for classifying additional information of the documents classified in E04B 1/58 - E04B 1/5818.
Use E04B 2001/5862 - E04B 2001/5893 and E04B 2001/5856 for classifying additional information of the documents of E04B 1/5825 - E04B 1/585.
Joints with emphasis on the slab-shaped element, as opposed to F16B 7/00 where the emphasis is on the connector.
This place does not cover:
Connections for structural concrete panels | |
Connections of sheet metal panels | |
Connections for furniture |
Attention is drawn to the following places, which may be of interest for search:
Joining sheets or plates |
Use E04B 2001/6195 as additional information to classify slabs connected at an angle for documents classified in E04B 1/61 - E04B 1/6187 and E04B 2001/6191.
Attention is drawn to the following places, which may be of interest for search:
Locks for sliding doors with bolt pivoting about an axis perpendicular to the wings | |
Rotating connectors |
This place covers:
Insulation or other protection for buildings in general; Elements or use of specified material for insulation of buildings or other protection of buildings.
This place does not cover:
Insulation of partition walls | |
Insulation of floor structures | |
Insulation of roofs | |
Insulation of suspended ceilings | |
Chemical compositions | |
Insulation of floorings, e.g. floating floors | |
Implements for applying insulation or sealings | |
Buildings to withstand or to provide protection against external undesired influences | |
Sealing pipes in walls or partitions | |
Shielding against dangerous radiation |
This place does not cover:
Anodic or cathodic protection | |
Protection of concrete reinforcing elements made of steel |
This place covers:
Damp-proof courses installed during construction of the structure, also retro-fitted e.g. by driving plates in masonry joints.
This place does not cover:
Damp-proof courses in combination with lintels |
Attention is drawn to the following places, which may be of interest for search:
Sealing membranes, sealing coatings |
This place covers:
Damp-proof courses made of a plate, sheet, or hardening composition, e.g. mortar.
Documents with details of the composition and manufacture of water-proofing agents should be additionally classified in the relevant classes for these compositions, e.g. C08L for bituminous compositions
This place covers:
Sealing membranes or coatings for buildings in general.
This place does not cover:
Damp-proof courses | |
Fire-proof sealings | |
Additions of anti-leak properties to plaster | |
Bituminous sealing masses | |
Sealings for hydraulic engineering work in general | |
Sealings against ground humidity or ground water | |
Roof coverings against rain or other precipitations of the atmosphere |
Attention is drawn to the following places, which may be of interest for search:
Documents with details of the composition or manufacture of sealing agents should be additionally classified in the relevant classes for these compositions.
This place does not cover:
Machines for inserting or removing sealing strips | |
Tools for inserting or removing sealing strips | |
Packing for joints in roads or airfields | |
Expansion joints for bridges | |
Sealing joints between foundation piles | |
Joints in foundation structures | |
Devices for sealing the spaces or joints between roof-covering elements | |
Sealing joints between roof-covering elements | |
Construction of joints for flooring or floor layers composed of a number of similar elements | |
Construction of joints for flooring or floor layers made of masses in situ | |
Repairing sealings of joints |
Attention is drawn to the following places, which may be of interest for search:
Sealing of joints in water management | |
Sealing in mechanical engineering |
Use E04B 2001/6818 for documents classified in E04B 1/68 - E04B 1/6816 for classifying additional information of joints comprising swellable parts.
This place covers:
Joints using a putty-like filler, with or without backing strip.
This place does not cover:
Expansion elements specially adapted for wall or ceiling parts |
This place covers:
Sealing strips embedded in two succesively poured concrete structures.
This place does not cover:
Expansion elements for parts cast in situ |
This place covers:
Waterstops with a central deformable section, e.g. hollow or folded.
This place does not cover:
Porous tubular seals for injecting sealing material |
This place does not cover:
Finishing strips for the junction of a wall and a ceiling |
This place does not cover:
Filling of cracks in existing buildings |
This place does not cover:
Drying or keeping dry using damp-proof courses | |
Drying or keeping dry using sealings, e.g. sealing masses or foils | |
Caps for the protection of the ends of wooden beams against humidity | |
Drying or keeping dry during erection | |
Repairing sealings |
This place covers:
Drying or keeping dry by the use of electricity, e.g. electro-osmosis, electrical heating of a wall or a room, electrical ventilation.
This place does not cover:
Electrochemical desalination or re-alkalisation of reinforced concrete |
Attention is drawn to the following places, which may be of interest for search:
Removing salts from walls |
This place covers:
Drying by heating the ambient air, e.g. using a burner.
Attention is drawn to the following places, which may be of interest for search:
Cellars |
This place does not cover:
Drainage around foundations |
Attention is drawn to the following places, which may be of interest for search:
Cellars |
This place does not cover:
Means for ventilating in floors | |
Means for ventilating in ceilings | |
Means for ventilating in building blocks | |
Means for ventilating in building panels | |
Means for ventilating in roofs | |
Ventilating wall coverings |
Attention is drawn to the following places, which may be of interest for search:
Electrical ventilation for drying rooms | |
Air-ducts or air channels |
This place covers:
Connections of the interior of the building or the interior of the wall with the exterior of the building; Air vents for crawl spaces.
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Arrangements for catching or killing insects |
Documents with air vents for walls in combination with other aspects of ventilation are classified in E04B 1/7069.
Pest control , E04B 1/72.
This place does not cover:
Fire protection | |
Forms of, or arrangements in, rooms for influencing or directing sound | |
Elements chiefly adapted for structural purposes | |
Elements; chiefly adapted for surface covering | |
Elements chiefly adapted as underlayers for floor coverings | |
Closures for wall or like openings |
Attention is drawn to the following places, which may be of interest for search:
Thermal insulation in general | |
Use of solar heat | |
Heat storage using latent heat | |
Noise damping in general |
Heat insulation of the whole building enveloppe and active heat insulation, e.g. walls with ventilation conduits for insulation purpose, are classified in E04B 1/74.
This place does not cover:
Insulating elements of car bodies | |
Heat insulation in general |
Use E04B 2001/741 - E04B 2001/7695 for classifying additional information of the documents classified in E04B 1/76 - E04B 1/806 and E04B 1/88, E04B 1/90
This place does not cover:
Implements or machines for applying insulating material |
Also classify in E04B 1/4178 or E04B 1/4185 when combined with masonry wall ties.
Attention is drawn to the following places, which may be of interest for search:
Bases for plaster |
Attention is drawn to the following places, which may be of interest for search:
Fastening of an exterior insulation on a roof using screws or nails |
This place does not cover:
Hinges or other suspension devices for doors, windows or wings |
Attention is drawn to the following places, which may be of interest for search:
Insulating material disposed between the purlins or rafters of a roof |
This place does not cover:
Manufacturing of inorganic fiber blankets or batts |
Documents concerning fiber blankets or batts mentioning heat and sound insulation but without giving characteristics specific to sound insulation are classified in E04B 1/7662 - E04B 1/767.
This place does not cover:
Heat insulating fiber blankets or batts |
Attention is drawn to the following places, which may be of interest for search:
Nailable or screwable inserts for foam panels |
Attention is drawn to the following places, which may be of interest for search:
Thermal insulation in general, using vacuum | |
Cold rooms, refrigerators using vacuum insulation |
This place covers:
Sound insulation for building constructions in general or for building structures which are not restricted either to walls or floors or ceilings or roofs.
This place does not cover:
Sound insulation of suspended or false ceilings | |
Noise damping in ducts or channels |
Attention is drawn to the following places, which may be of interest for search:
Partition walls with special measures for sound insulation | |
Insulating elements of car bodies | |
Sound insulation of flooring | |
Sound damping devices for pipes | |
Noise damping in general |
Use E04B 2001/741 - E04B 2001/748 and E04B 2001/8245 - E04B 2001/8495 for classifying additional information of the documents classified in E04B 1/82 - E04B 1/90.
Reference G10K 11/16 is non-limiting in subgroup E04B 1/82. CPC will be corrected once this inconsistency is resolved in IPC.
This place covers:
Passive noise absorbtion body located in a room for absorbing the noise generated in the room.
This place does not cover:
Soundproof enclosures | |
Screens; Arrangements of sound-absorbing elements, e.g. baffles | |
Ceiling with acoustic baffles |
This place covers:
Enclosures keeping the noise out or in.
Attention is drawn to the following places, which may be of interest for search:
Block-shaped building elements in general |
Attention is drawn to the following places, which may be of interest for search:
Sheet-shaped building elements in general |
Attention is drawn to the following places, which may be of interest for search:
Structural building elements in general |
Documents concerning fiber blankets or batts mentioning heat and sound insulation but without giving characteristics specific to sound insulation are classified in E04B 1/7662 - E04B 1/767
This place covers:
Protection against other undesired influences or dangers for buildings in general, e.g. fire or vibrations and shocks originating from inside the building or due to wind or traffic, e.g. using mass damping systems.
This place does not cover:
Protection of foundations against entry of noxious gases, e.g. radon | |
Buildings providing protection against external dangers, e.g. earthquake- or hurricane-proof buildings | |
Shielding against dangerous radiation | |
Screening of rooms against electric or magnetic fields |
Use E04B 2001/925 for classifying additional information of the documents classified in E04B 1/92.
This place does not cover:
Fire protection of partitions | |
Supporting constructions for ceilings having the capability of expansion in case of fire | |
Fire-fighting | |
Fire prevention or containment | |
Permanently installed fire-fighting equipment | |
Impregnation of wood or similar materials | |
Fireproof paints | |
Fireproofing materials | |
Flame-resistant papers | |
Coverings or linings, e.g. for walls or ceilings, in general | |
Fireproof doors | |
Firebreaks for passages of pipes, cables or protective tubing through walls or partitions | |
Firebreak devices for pipes or the like passing through walls | |
Protection of pipes by means of non-inflammable material |
Documents with details of the composition of fireproofing compounds should also be classified in the relevant classes for these compositions;
Use E04B 2001/949 for classifying additional information of the documents classified in E04B 1/94 - E04B 1/945 .
Fusible suspension supports are classified in E04B 1/941.
Documents with details of the composition should be classified also in E04B 1/94 and should receive classes for the compositions per se;
Details of fire-proof sealing of the connection of panels should additionally be classified in E04B 1/948.
Attention is drawn to the following places, which may be of interest for search:
Beam coverings |
This place does not cover:
Fire-proof doors |
This place does not cover:
Fire-proof sealings or joints for doors or windows |
This place covers:
Protection of buildings against vibrations or shocks originating from inside the building, e.g. an explosion within the building, or are caused by the wind or nearby construction works or traffic.
This place does not cover:
Protection against incendiary damage only | |
Protection against vibrations or shocks on foundations | |
Finishing work for protection against vibration, shocks, or mechanical damge | |
Buildings withstanding earth-quake or the like, shelters, arrangements of splintercatching walls | |
Buildings against air-raids or other war-like actions | |
Buildings adapted to withstand tornadoes |
Attention is drawn to the following places, which may be of interest for search:
Pressure relieve panels in case of over-pressure |
This place covers:
Arrangments for adjusting the acoustics of e.g. a concert hall
This place does not cover:
Insulation specifically with respect to sound only | |
Acoustics in general | |
Electric signal processing for producing a reverberation or echo sound |
This place covers:
Load-bearing and non-load-bearing walls for buildings, wall construction with regard to insulation, and connections specially adapted to walls for buildings.
This place does not cover:
Building panels |
Attention is drawn to the following places, which may be of interest for search:
Connections for building structures in general | |
Insulation for buildings in general | |
Heat, sound or noise insulation, absorption, or reflection | |
Retaining walls |
Load-bearing walls made from panels, e.g. pre-fabricated walls, are classified in E04B 1/02 - E04B 1/14.
Load-bearing or non-load-bearing walls built-up from layers of building elements, e.g. brick or block walls, are classified in E04B 2/02 - E04B 2/54.
Load-bearing walls having a framework or a pillarwork, and walls incorporating load-bearing elongated members, are classified in E04B 2/56 - E04B 2/709.
Non-load-bearing walls made of panels or posts and panels are classified in E04B 2/72 - E04B 2/828.
Load-bearing or non-load-bearing walls made by casting, pouring or tamping in situ are classified in E04B 2/84 - E04B 2/8664.
This place covers:
Walls for buildings built-up from layers of building elements, e.g. brick or block walls, as well as building elements of block or brick shape for the construction of parts of buildings. The walls can be bearing walls or non-bearing walls, e.g. partition walls, and the building elements accordingly.
This place does not cover:
Toys building blocks | |
Positioning wedges |
Attention is drawn to the following places, which may be of interest for search:
Masonry wall ties, i.e. anchors | |
Details of connections of block or brick shaped building elements | |
Details of connections | |
Special features of block or brick shaped building elements | |
Retaining walls |
Building elements of block or brick shape, for the construction of parts of buildings, are classified in E04B 2/02 - E04B 2/54, even if they do not explicitly form part of a wall.
Building elements of block or brick shape, for the construction of parts of buildings, and characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices or shelves, for fixing wall-plates or door-frames, for claustra, are classified in E04C 1/39 - E04C 1/397.
Building elements of block or brick shape, for the construction of parts of buildings, and being built-up from parts of different materials are classified in E04C 1/40 - E04C 1/41.
Building elements of glass or other transparent material, for the construction of parts of buildings, are classified in E04C 1/42.
All aspects of the block or brick shaped building elements, e.g. special features, and details of connections among themselves, should be classified in E04B 2/02 - E04B 2002/0297.
In this place, the following terms or expressions are used with the meaning indicated:
Block shape | block shape is not restricted to parallelepiped shape |
This place covers:
Walls having neither cavities between, nor in, the solid building elements, as well as solid brick or block shape building elements having no cavities in them.
This place covers:
Walls built-up from layers of solid building elements of brick or block shape, and having no cavities in the elements, wherein the joints, e.g. small channels or grooves between the building elements and/or between the successive layers are filled with material, with or without additional reinforcements in the joints, small channels or grooves.
Attention is drawn to the following places, which may be of interest for search:
Separate spacers between building elements | |
Reinforcing elements of low bending resistance | |
Light-weight girders | |
Reinforcing elements of material other than metal |
This place covers:
Walls built-up from layers of building elements of brick or block shape having cavities in, but not between, the building elements, as well as brick or block shape building elements having cavities in them.
Attention is drawn to the following places, which may be of interest for search:
Building elements of brick or block shape with holes filled with insulating material | |
Building elements of block shape, serving for ventilating, heating, cooling, and for locating conduits |
This place covers:
Walls built-up from layers of building elements of brick or block shape, and having cavities in the elements, wherein the joints, e.g. small channels or grooves between the building elements and/or between the successive layers are filled with material, with or without additional reinforcements in the joints, small channels or grooves.
Attention is drawn to the following places, which may be of interest for search:
Separate spacers between building elements | |
Reinforcing elements of low bending resistance | |
Light-weight girders | |
Reinforcing elements of material other than metal |
Attention is drawn to the following places, which may be of interest for search:
Load-bearing walls of framework or pillarwork |
Attention is drawn to the following places, which may be of interest for search:
Walls made by casting, pouring, or tamping in situ, e.g. in permanent forms, but not by filling cavities in brick or block elements exclusively |
This place covers:
Walls made from layers of building elements of brick or block shape, the walls having cavities between, but not in, the elements, e.g. walls made of solid building elements having special profiles on their small side faces in order to create a cavity when connected with the adjacent elements;
Walls made from layers of building elements of brick or block shape, each consisting of two or more parts kept in distance, in a direction perpendicular to the wall, by means of spacers, all parts of the elements being solid.
Attention is drawn to the following places, which may be of interest for search:
Masonry wall ties, i.e. anchors | |
Details of connections |
In this place, the following terms or expressions are used with the meaning indicated:
Spacers for cavity walls | spacers between solid parts of brick or block shaped elements for building cavity walls, e.g. spacers integrated in a block consisting of two parallel solid slab shaped parts kept at a distance by the spacer |
This place covers:
Walls made from layers of building elements of brick or block shape, the walls having cavities between, but not in, the elements, wherein the joints, e.g. small channels or grooves between the building elements and/or between the successive layers are filled with material, with or without additional reinforcements in the joints, small channels or grooves.
Attention is drawn to the following places, which may be of interest for search:
Separate spacers between building elements | |
Reinforcing elements of low bending resistance | |
Light-weight girders | |
Reinforcing elements of material other than metal |
Attention is drawn to the following places, which may be of interest for search:
Load-bearing walls of framework or pillarwork |
Attention is drawn to the following places, which may be of interest for search:
Walls made by casting, pouring, or tamping in situ, e.g. in permanent forms, but not by filling cavities in brick or block elements exclusively |
This place covers:
Walls made from layers of building elements of brick or block shape, the walls having cavities between, as well as in the elements, e.g. walls made of building elements having cavities and having special profiles on their small side faces in order to create a cavity when connected with the adjacent elements;
Walls made from layers of building elements of brick or block shape, each consisting of two or more parts kept in distance, in a direction perpendicular to the wall, by means of spacers, at least one of the parts of the elements having cavities.
Attention is drawn to the following places, which may be of interest for search:
Masonry wall ties, i.e. anchors | |
Details of connections |
In this place, the following terms or expressions are used with the meaning indicated:
Spacers for cavity walls | spacers between parts of brick or block shaped elements for building cavity walls, at least one of the parts having cavities, e.g. spacers integrated in a block consisting of two parallel, non-massive, slab shaped parts kept at a distance by the spacer |
This place covers:
Walls made from layers of building elements of brick or block shape, the walls having cavities between, as well as in the elements, wherein the joints, e.g. small channels or grooves between the building elements and/or between the successive layers are filled with material, with or without additional reinforcements in the joints, small channels or grooves.
Attention is drawn to the following places, which may be of interest for search:
Separate spacers between building elements | |
Reinforcing elements of low bending resistance | |
Light-weight girders | |
Reinforcing elements of material other than metal |
Attention is drawn to the following places, which may be of interest for search:
Load-bearing walls of framework or pillarwork |
Attention is drawn to the following places, which may be of interest for search:
Walls made by casting, pouring, or tamping in situ, e.g. in permanent forms, but not by filling cavities in brick or block elements exclusively |
This place covers:
Nogging of half-timbered walls.
Attention is drawn to the following places, which may be of interest for search:
Framework with metallic elongated load-supporting parts formed of a number of parallel profiles |
This place does not cover:
Walls having cavities in, but not between, the elements, the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams | |
Walls having cavities between, but not in, the elements, the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams | |
Walls having cavities between, as well as in, the elements, the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams |
This place covers:
Walls made from horizontally laid logs or beams, e.g. log cabins.
This place does not cover:
Walls incorporating load-bearing elongated members of wood, with longitudinal horizontal elements shorter than the length of a wall | |
Walls incorporating load-bearing elongated members of wood, with longitudinal horizontal elements placed between columns |
This place covers:
Walls comprising structural wooden studs or posts with non structural closure elements en-between, e.g. structural stud walls and shear bracing therefor.
This place does not cover:
Half-timbering |
This place covers:
Non-load-bearing thin walls without studs or posts, with profiled or folded panels or trays.
This place does not cover:
Load-bearing] walls of framework or pillarwork; Walls incorporating load-bearing elongated members | |
Non-load-bearing walls of elements of relatively thin form with joint fillings acting as framework or pillars | |
Removable non-load-bearing partitions; Partitions with a free upper edge | |
Non-structural stud walls | |
Curtain walls | |
Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels |
Use E04B 2002/725 - E04B 2002/728 as additional information for the documents of E04B 2/72.
This place covers:
Non-load-bearing thin walls with folded plasterboard or gypsum or plaster projected onto a lattice.
Use E04B 2/845 as additional information for the documents of E04B 2/723.
This place covers:
E.g., modular coordination.
Attention is drawn to the following places, which may be of interest for search:
This place does not cover:
Use E04B 2/7409 - E04B 2002/7498 as additional information for the documents of E04B 2/7407 - E04B 2/7459.
This place does not cover:
Partitions with a free upper edge with separate framed panels without intermediary support posts and with adjustable angular connection of panels |
Use E04B 2/7437 - E04B 2/7444 as additional information for the documents of E04B 2/7435.
This place covers:
Non-load-bearing partition with free upper edge and panels hooked onto posts, e.g. with additional securing elements to prevent its unhooking.
This place does not cover:
Partitions with a free upper edge with panels with support posts and with adjustable angular connection of panels to posts |
This place does not cover:
Partitions with a free upper edge with panels with support posts and with panels hooked onto the rim or in a groove of circular posts |
Use E04B 2/7451 as additional information for the documents of E04B 2/745.
Use E04B 2/7457 - E04B 2/7459 as additional information for the documents of E04B 2/7455.
This place does not cover:
Removable non-load-bearing partitions with panels and support posts, extending from floor to ceiling, the posts being telescoping to compensate for floor or ceiling irregularities |
This place covers:
Connections of horizontal and vertical metallic frame members.
This place does not cover:
Details of connections, thresholds or skirtings |
Attention is drawn to the following places, which may be of interest for search:
Mitre joints for windows, doors |
This place does not cover:
Means for connecting partition walls or panels to the ceilings |
This place does not cover:
Removable non-load-bearing partitions with panels and support posts, extending from floor to ceiling, the posts being telescoping to compensate for floor or ceiling irregularities | |
Connections between wall studs and upper or lower locating rails allowing vertical movement of upper rail with respect to the stud, e.g. by using slots in the rail or stud |
This place covers:
Non-load-bearing partitions constituted of sliding panels, where the sliding occurs in a direction parallel or perpendicular to the plane of the partition
Attention is drawn to the following places, which may be of interest for search:
Suspension arrangements for sliding wings of doors |
This place does not cover:
Walls built-up from layers of building elements | |
Load-bearing walls of framework or pillarwork ; Walls incorporating load-bearing elongated members | |
Reusable forms for walls made by casting, pouring, or tamping in situ | |
Working of concrete or similar masses able to be cast or poured in situ |
Documents where the filling does not contain a hardenable binder, e.g. rammed earth or loose rocks, are classified in E04B 2/84.
Use E04B 2002/867 - E04B 2002/8694 as additional information for the documents of E04B 2/86 - E04B 2/8652.
In this place, the following terms or expressions are used with the meaning indicated:
A "tie" holds the two opposite leaves of the form together.
A "spacer" keeps the two opposite leaves at a predetermined distance from each other.
A single element can but must not have both functions: i.e. a tie can be a spacer or not, a spacer can be a tie or not.
This place does not cover:
Walls made by casting, pouring, or tamping in situ in permanent forms with spacers being embedded in at least one form leaf | |
Walls made by casting, pouring, or tamping in situ in permanent forms with spacers and at least one form leaf being monolithic |
This place covers:
Connections with dovetail or "T"-shaped grooves in the inner face of the form or the spacer
This place covers:
Ties going through the form, e.g. nails or screws going through the forms into the spacers.
This place does not cover:
Fixing of glass panes |
Attention is drawn to the following places, which may be of interest for search:
Measures for draining-off condensed water or water leaking in windows |
This place does not cover:
Connectors for fixing the flush mounted glazing to the supporting structure |
This place covers:
Panels directly attached to the structure, the panel comprising a frame or not
This place does not cover:
Curtain walls comprising a supporting structure for flush mounted glazing panels |
This place covers:
Panels attached with panel clamping bars to the mullions or the transoms.
This place does not cover:
Curtain walls comprising a supporting structure for flush mounted glazing panels | |
Glass roofs | |
Flush mounted glazing, the panels being attached without clamping bars to mullions or transoms |
Documents with details of connections of mullions to mullions, with details of connections of mullions or transoms to the supporting structure, or with details of the infill panels are classified in E04B 2/96, even if they show details of the connections of mullions and transoms.
Documents with details of angles or corners of the curtain walls are classified in E04B 2/962, even if they show details of the connections of mullions and transoms.
Are classified in E04B 2/967 documents which show only details of the cross-section of the mullions or transoms.
Documents with details of connections of mullions to mullions, of connections mullions or transoms, or with details of the infill panels, or with details of angles or corners of the curtain walls are classified in E04B 2/96,E04B 2/962 or E04B 2/965, even if they show details of the cross-section of the mullions or transoms.
This place covers:
Structural floors for buildings; Building floors construction in general and with regard to insulation; Connections specially adapted to floors.
This place does not cover:
Producing slab shaped elements of concrete in moulds | |
Decks for ships | |
Flat foundations, floors resting on the ground | |
Girders for floors | |
Flooring as finishing work, insulation of flooring, sectional false floors, e.g. for computers | |
Decks, e.g. garden decks | |
Disposable shutterings, forms for floors |
Attention is drawn to the following places, which may be of interest for search:
Beams of plastics |
Attention is drawn to the following places, which may be of interest for search:
Load-carrying floor structures consisting of prefabricated slabs of concrete or other stone like material are classified in E04B 5/04, except floor structures consisting of hollow core slabs which are classified in E04B 5/043.
This place covers:
Load-carrying floor structures consisting of elongated hollow cores slabs, e.g. placed against one another.
Attention is drawn to the following places, which may be of interest for search:
Load-carrying floor structures partly cast in situ with prefabricated or partly prefabricated beams and one or more hollow cores between the beams |
In this place, the following terms or expressions are used with the meaning indicated:
Hollow core slab | Hollow core slab is a precast slab of prestressed concrete, having tubular voids extending the full length of the slab |
This place covers:
Load-carrying floor structures formed of prefabricated beams placed with distance from one another, the space between the beams being filled or covered by prefabricated elements and eventually completed by non-structural layers of concrete or mortar..
This place does not cover:
Load-carrying floor structures consisting of elongated slabs placed against one another | |
Load-carrying floor structures consisting of elongated hollow cores slabs placed against one another |
This place covers:
Load carrying floor structures assembled of prefabricated block-shaped elements, e.g. joined together by mortar, tensioning or connecting elements.
Attention is drawn to the following places, which may be of interest for search:
Load carrying floor structures formed substantially of prefabricated units, with beams or girders laid in two directions | |
Metal beams or girders | |
Light-weight girders as reinforcing elements |
This place covers:
Also means for supporting beams.
This place does not cover:
Load-carrying floor structures formed substantially of prefabricated units with beams or girders laid in two directions |
Attention is drawn to the following places, which may be of interest for search:
Wooden joists hangers | |
Wooden beams | |
Shores or struts |
Attention is drawn to the following places, which may be of interest for search:
Floor structures of extraordinary design | |
Floors composed of stones, mortar and reinforcing elements | |
Special adaptation of floors for transmission of light | |
Special adaptation of floors for incorporating ducts | |
Forms or shutterings for making floors |
This place covers:
Floor structures partly formed in situ, i.e. in which at least some parts of the structure are prefabricated, e.g. precast girders or prefabricated filling members between the beams.
This place covers:
Floor structures partly formed in situ, with prefabricated filling members and with stiffening ribs wholly cast between or in the prefabricated filling members; Prefabricated filling elements suitable for casting stiffening ribs between or in them.
This place covers:
Floor structures partly formed in situ, with prefabricated self-supporting filling members and with stiffening ribs wholly cast between or in the prefabricated self-supporting filling members, e.g. elongated self-supporting filling members resting on the walls.
Attention is drawn to the following places, which may be of interest for search:
Load-carrying floor structures consisting of slabs | |
Load-carrying floor structures consisting of hollow cores slabs | |
Floor structures partly formed in situ, with prefabricated filling members and with stiffening ribs wholly cast between or in the prefabricated filling members, and extending in two different directions | |
Load-carrying floor structures partly cast in situ with prefabricated or partly prefabricated beams and one or more hollow cores between the beams |
This place covers:
Floor structures partly formed in situ, with prefabricated filling members and with stiffening ribs wholly cast between or in the prefabricated filling members, and extending in two different and intersecting directions. Prefabricated filling elements suitable for casting cross-ribbed floors.
This place covers:
Floor structures partly formed in situ, with prefabricated or partly prefabricated beam-like formations, e.g. prefabricated beams of concrete, metal or wood.
This place does not cover:
With all load-carrying parts substantially consisting of prefabricated units |
Attention is drawn to the following places, which may be of interest for search:
Provisions for connecting wooden stiffening ribs to the concrete slab | |
Beams built-up by elements joined in line |
This place covers:
Floor structures partly formed in situ, with prefabricated or partly prefabricated beam-like formations and with prefabricated filling members between the beams;
Prefabricated elements for use as filling elements between prefabricated or partly prefabricated beams.
This place covers:
Floor structures partly formed in situ, with prefabricated or partly prefabricated beam-like formations and with prefabricated monolithic filling members between the beams;
Prefabricated monolithic elements for use as filling elements between prefabricated or partly prefabricated beams.
In this place, the following terms or expressions are used with the meaning indicated:
Monolithic | In one piece |
This place does not cover:
Load-carrying floor structures partly cast in situ with prefabricated or partly prefabricated beams and one or more hollow cores between the beams |
This place covers:
Load-carrying floor structures partly cast in situ with prefabricated or partly prefabricated beams and one or more hollow cores between the beams
Attention is drawn to the following places, which may be of interest for search:
Load-carrying floor structures consisting of hollow cores slabs only |
This place covers:
Floor structures partly formed in situ, with prefabricated or partly prefabricated beam-like formations and with prefabricated filling members between the beams;
Prefabricated elements for use as filling elements between prefabricated or partly prefabricated beams in a cross-ribbed floor.
This place does not cover:
Beams, as independent entities, consisting of steel and concrete | |
Beams, as independent entities, consisting of concrete combined with a girder-like steel structure extending laterally outside the element |
Attention is drawn to the following places, which may be of interest for search:
Metal beams or girders | |
Light-weight metal girders used as reinforcement, e.g. with a precast concrete part |
Attention is drawn to the following places, which may be of interest for search:
Means preventing cold bridging at the junction of external walls with a floor | |
Floor structures having permanent form for the floor edges | |
Floor structures having peripheral anchors or supports | |
Forms or shutterings for making floors |
This place covers:
Floor structures wholly cast in situ with form units as part of the floor, the form units being either made in one piece or made of different elements, e.g. non-self-supporting form units.
This place does not cover:
Sectional false floors |
Non-self-supporting floor form units, either made of one element or of a series of elements, are classified in E04B 5/36, except in case of metal form-slabs.
In this place, the following terms or expressions are used with the meaning indicated:
Floor form unit | A form, either made of one element or of a series of elements, that allows the floor to be cast over it, in situ, without the need of additional forms. |
This place covers:
Floor structures wholly cast in situ with slab-shaped substantially self-supporting form units acting simultaneously as reinforcement;
Form slabs with reinforcements of metal or other material extending laterally outside the form slab, and that are suitable to be embedded in the concrete of the floor slab to be cast in-situ, e.g. "Predalles" concrete slabs or semi-finished reinforced concrete slabs.
This place covers:
Floor structures wholly cast in situ with metal form-slabs, e.g. with corrugated or non-corrugated metal form-slabs.
Attention is drawn to the following places, which may be of interest for search:
Anchoring devices for balconies with means for preventing cold bridging | |
Extraordinary constructions in general | |
Shear reinforcements, e.g. shear heads for floor slabs | |
Buildings adapted to withstand abnormal external influences, e.g. earthquakes |
This place covers:
Floors composed of stones, e.g. hollow bricks, mortar and reinforcing elements.
This place does not cover:
Special adaptation of floors for transmission of light, e.g. by inserts of glass |
Attention is drawn to the following places, which may be of interest for search:
Floor structures assembled of relatively large prefabricated block-shaped elements and relatively little mortar or concrete are classified in E04B 5/08.
Attention is drawn to the following places, which may be of interest for search:
This place covers:
Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating, in the structural body of the floor.
This place does not cover:
Sectional false floors |
Attention is drawn to the following places, which may be of interest for search:
Building elements of block shape serving for locating conduits | |
Building elements of slab shape serving for locating conduits | |
Hot-water central heating systems | |
Ventilation with air supply through perforated floors | |
Installation of electric cables in floors |
This place covers:
Roofs, i.e. roof structures; Roof construction with regard to insulation, e.g. self-supporting insulated roof-slabs.
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Three-dimensional frameworks | |
Arched structures; Vaulted structures; Folded structures | |
Extraordinary structures; Structures covering a large free area; Structures characterised by movable, separable or collapsible parts; Structures composed of box-like or cell-like units | |
Arched girders or portal frames | |
Sunshades; Awnings | |
Tents or canopies, in general | |
Buildings or structures for particular purposes, e.g. bus shelters, swimming pools; coverings thereof |
This place does not cover:
Roofs formed in bays, e.g. saw-tooth roofs |
Attention is drawn to the following places, which may be of interest for search:
Sunshades, e.g. made of flexible canopy materials |
Attention is drawn to the following places, which may be of interest for search:
Roof battens; supports for roof battens |
In patent documents, the following words/expressions are often used as synonyms:
- " Purlins " and "Battens"
This place covers:
Roof consisting of prefabricated modules, e.g. box-like or cell-like units, the prefabricated modules arriving in situ ready to be put in place as they are.
This place does not cover:
Roofs consisting of self-supporting slabs, the slabs being collapsible or retractable, e.g. for transport |
Attention is drawn to the following places, which may be of interest for search:
Structures composed of box-like or cell-like units |
Attention is drawn to the following places, which may be of interest for search:
Small buildings erected in the open air, e.g. waiting shelters, kiosks, beach cabins, public WC's |
This place covers:
Details of connections between the roof structure and the supporting walls, for roofs in which the roof structure is supported by the walls, e.g. roof trusses supported by horizontal beams resting on the walls.
Attention is drawn to the following places, which may be of interest for search:
Constructions of roof intersections or hipped ends |
Attention is drawn to the following places, which may be of interest for search:
Connectors made of sheet metal for wooden elongated load supporting elements in general |
Attention is drawn to the following places, which may be of interest for search:
Greenhouses | |
Mutual connections of metal glazing bars |
In this place, the following terms or expressions are used with the meaning indicated:
Hipped end | The ridge end or node defined by the junction of three or more triangular sloping faces in a hip roof |
Attention is drawn to the following places, which may be of interest for search:
Mutual connections of metal glazing bars on the ridge of the roof |
This place covers:
Vaulted roofs, i.e. roofs having a general curved shape, in one or more directions, e.g. an arched shape, an hyperbolic-parabolic shape, a dome shape, a curved and folded shape.
This place does not cover:
Suspended roofs | |
Inflatable tents or canopies, in general |
Attention is drawn to the following places, which may be of interest for search:
Vaulted structures in general | |
Extraordinary structures; Structures covering a large free area | |
Saw-tooth roofs | |
Inflatable forms for shaping in situ |
Barrel vaulted roofs are classified in E04C 3/08. Folded barrel vaulted roofs are classified in E04B 7/107.
This place covers:
Curved roof structures made by shell structures, e.g. roof structures of hyperbolic-parabolic shape made of a thin-shell concrete membrane, or by a plurality of thin-shell units connected together;
Curved roof structures made by grid-like formations acting as shell structures, i.e. thin and substantially self-supporting, that is without the need of intermediate supports;
Curved roof structures made by a folded structure, e.g. globally curved roof structures made by concertina-like folded metal sheets.
This place covers:
Curved roof structures made by shell structures, e.g. roof structures of hyperbolic-parabolic shape made of a thin-shell concrete membrane, or by a plurality of thin-shell units connected together.
Attention is drawn to the following places, which may be of interest for search:
Arched structures comprised entirely of a single panel | |
Arched structures comprised of a number of panels connected together | |
Bending sheet metal | |
Inflatable forms for shaping in situ |
This place covers:
Curved roof structures made by grid-like formations acting as shell structures, i.e. thin and substantially self-supporting, that is without the need of intermediate supports.
Attention is drawn to the following places, which may be of interest for search:
Arched structures having a grid frame |
This place covers:
Curved roof structures made by a folded structure, e.g. globally curved roof structures made by concertina-like folded metal sheets.
Attention is drawn to the following places, which may be of interest for search:
Arched structures with faceted surfaces | |
Structures deriving their rigidity from concertina folds | |
Saw-tooth roofs | |
Corrugating sheet metal |
This place covers:
Roofs formed in bays, e.g. massive saw-tooth roofs for factory buildings.
This place does not cover:
Curved roof structures made by a folded structure, e.g. globally curved roof structures made by concertina-like folded metal sheets |
This place covers:
Suspended roofs, i.e. permanent roofs suspended from a structure, e.g. a roof for a stadium consisting of a membrane suspended by cables, or a roof for a building consisting of a membrane being anchored along its borders on the walls of the building.
This place does not cover:
Suspended tents or canopies in general |
Attention is drawn to the following places, which may be of interest for search:
Extraordinary structures; Structures covering a large free area |
This place does not cover:
Skylights or domes having movable parts |
Attention is drawn to the following places, which may be of interest for search:
Structures characterised by movable, separable or collapsible parts | |
Buildings for special purposes |
Attention is drawn to the following places, which may be of interest for search:
Roof structures with movable parts characterised by a translation movement | |
Skylights having movable parts pivoting about a fixed axis |
Attention is drawn to the following places, which may be of interest for search:
Roof structures with movable parts characterised by a pivoting movement | |
Skylights having movable parts moving in their own plane |
This place does not cover:
Special structures on roofs, in connection with roof coverings | |
Skylights and domes | |
Chimneys |
In this place, the following terms or expressions are used with the meaning indicated:
Dormer window | Roof window set in a structure that is protruding from the surface of a sloping roof; the window itself is substantially vertical |
This place covers:
Roofs consisting of self-supporting slabs, e.g. a saddle roof in which each plane sloping surface is made by a series of adjacent self-supporting slabs resting only on the walls of the building and on the ridge beam of the roof.
This place does not cover:
Waterproof roofing slabs comprising two or more layers, e.g. for insulation |
Attention is drawn to the following places, which may be of interest for search:
Building panels in general |
This place does not cover:
Self-supporting insulating slabs for roofs, the slabs having non-structural supports for roofing materials | |
Roof battens |
In this place, the following terms or expressions are used with the meaning indicated:
Non-structural supports for roofing materials | Supports like battens, purlins |
Attention is drawn to the following places, which may be of interest for search:
Layered products | |
Sandwich panels | |
Waterproof roofing slabs comprising two or more layers, at least one of the layers being composed of insulating material | |
Insulating devices or arrangements insofar as the roof covering is concerned |
Attention is drawn to the following places, which may be of interest for search:
Roof battens |
In this place, the following terms or expressions are used with the meaning indicated:
Non-structural supports for roofing materials | Supports like battens, purlins |
Attention is drawn to the following places, which may be of interest for search:
Structures characterised by movable, separable or collapsible parts; with hinged parts |
This place covers:
- Ceilings, i.e. suspended ceilings and false ceilings;
- Construction of suspended and false ceilings;
- Suspended and false ceiling construction with regard to insulation.
This place does not cover:
Ceilings used as forms for making floors | |
Coverings or linings for ceilings, directly attached to the lower face of the floor slab | |
Plastering, finishing work |
This subclass comprises only suspended ceilings and false ceilings. Ceiling consisting of ceiling panels, coverings or linings attached directly to the lower face of the floor slab are only classified in E04F 13/00.
Ceiling consisting of ceiling panels, coverings or linings indirectly attached to the lower face of the floor slab in a way similar to wall covering panels, e.g. with only one lath in-between wall and panel, are also only classified in E04F 13/00.
This place covers:
Suspended ceilings or false ceilings having provisions for heat or sound insulation.
This place does not cover:
Sound absorbing open-work ceilings; Ceilings with acoustic baffles, e.g. sound absorbing panels vertically suspended from the ceiling |
Attention is drawn to the following places, which may be of interest for search:
Heat, sound or noise insulation in buildings; with respect to heat only; with respect to sound only | |
Slab shaped heat absorbing elements for buildings | |
Slab shaped sound absorbing elements for buildings | |
Suspended ceilings having slabs, panels | |
Means for suspending the supporting construction of the suspended ceilings from the floor slab, with arrangements for damping vibration | |
Methods or devices for protecting against or damping noise |
Suspended or false ceilings having insulating slabs or panels with non-specified insulating properties are classified in E04B 9/04, not in E04B 9/001.
This place does not cover:
Access doors mechanically connected to loft ladders |
Attention is drawn to the following places, which may be of interest for search:
Hinges | |
Doors | |
Recessed bases for lighting devices, e.g. in ceilings |
Attention is drawn to the following places, which may be of interest for search:
Caps covering surfaces of the supporting construction | |
Coverings or linings of wood |
This place covers:
Suspended or false ceilings with means for hanging lighting fixtures or other appliances to the framework of the suspended or false ceiling, e.g. to the T-bars of a suspended ceiling.
Attention is drawn to the following places, which may be of interest for search:
Means for suspending the supporting construction of the suspended ceilings from the floor slab; adjustable | |
Supports for pipes | |
Supporting, suspending or attaching arrangements for lighting devices | |
Suspension of electric conduit channels |
Hanging means directly attached to the lower face of the floor slab are not classified here.
Translucent ceilings, i.e. permitting both the transmission and diffusion of light are classified in E04B 9/32.
This place covers:
Suspended or false ceilings having means for ventilation or vapour discharge.
Attention is drawn to the following places, which may be of interest for search:
Suspended or false ceilings having means for ventilation or vapour discharge, the supporting ceiling grid acting as air diffuser | |
Ventilation, air conditioning systems; Air-humidification systems | |
Clean-rooms |
Classify in E04B 9/02 only if the ceiling components themselves, e.g. the ceiling panels or the framework of the ceiling, have something special in relation to ventilation or vapour discharge.
A general ceiling having only openings for ventilation ducts and no other specific ventilation feature, should not be classified in E04B 9/02. Conversely, a clean room ceiling having openings for ventilation ducts, the rest of the ceiling being air-tight, should be classified in E04B 9/02, the air-tightness of the ceiling being a specific feature of the ceiling linked to the ventilation of the clean room.
This place covers:
Suspended or false ceilings comprising slabs, sheets or the like, e.g. suspended ceiling comprising inverted tee-bars and panels.
Attention is drawn to the following places, which may be of interest for search:
Slab shaped heat absorbing elements for buildings | |
Slab shaped sound absorbing elements for buildings | |
Building slabs, sheets or panels per se | |
Coverings or linings for walls or ceilings | |
Ceiling panels lifting devices |
Classify a suspended or false ceiling comprising slabs, sheets or the like in E04B 9/04 only if the slabs, sheet or the like have some special technical feature, e.g. a special composition, a special geometry, special borders.
This place does not cover:
Ceiling panels having a honeycomb core structure |
This place covers:
Ceiling panels consisting of a tray made of a single element, and having 1 to 4 upstanding borders on their sides.
This place does not cover:
Ceiling panels having a frame |
This place covers:
Suspended or false ceilings characterised by constructional features of the supporting construction, e.g. by the cross section or the material of T-bar members.
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Cross-sectional aspects of metal beams, girders or joists |
Attention is drawn to the following places, which may be of interest for search:
Extrusion of metal | |
Extrusion of plastics |
This place covers:
Suspended or false ceilings comprising a supporting construction having the capability of expansion.
This place covers:
Connections between parallel members of the supporting construction, e.g. connections side to side of T-bars or connections tip to tip with an additional joining element
This place does not cover:
Suspended or false ceilings comprising a supporting construction having the capability of expansion. |
This place does not cover:
Suspended or false ceilings comprising a supporting construction having the capability of expansion. |
Attention is drawn to the following places, which may be of interest for search:
Connection details of elongated metal supporting parts | |
Grid-like ceilings | |
Racks for cabinets |
Grid-like ceilings that are suitable for supporting panels can also be classified in E04B 9/12 or its subgroups.
This place covers:
Means for suspending the supporting construction of the suspended ceiling from the lower face of the floor slab.
Attention is drawn to the following places, which may be of interest for search:
Suspended or false ceilings with means for hanging lighting fixtures or other appliances to the framework of the suspended or false ceiling, | |
Separate fastening elements for wall covering elements | |
Supports for pipes | |
Supporting, suspending or attaching arrangements for lighting devices | |
Suspension of electric conduit channels |
This place covers:
Adjustable means for suspending the supporting construction of the suspended ceiling from the lower face of the floor slab, particularly means adjustable in length.
This place covers:
Connections of substantially horizontal slabs, sheets or the like to the supporting construction of a suspended or false ceiling.
This place does not cover:
Open-work ceilings, e.g. grids |
Attention is drawn to the following places, which may be of interest for search:
Suspended ceilings comprising a supporting grid consisting of inverted T-shaped sections |
Attention is drawn to the following places, which may be of interest for search:
Suspended ceilings comprising a supporting grid consisting of inverted T-shaped sections |
Attention is drawn to the following places, which may be of interest for search:
Attention is drawn to the following places, which may be of interest for search:
Fastening devices in general |
Attention is drawn to the following places, which may be of interest for search:
Coverings fixed to walls by means of magnets |
This place covers:
Connections of substantially horizontal slabs, sheets or the like to the supporting construction of a suspended or false ceiling by means of snap action of elastically deformable elements held against the underside of the supporting construction.
Attention is drawn to the following places, which may be of interest for search:
Suspended ceilings comprising a supporting grid consisting of inverted T-shaped sections |
Attention is drawn to the following places, which may be of interest for search:
Connections between non-parallel members of the supporting construction, one member being discontinuous and abutting against the other member | |
Finishing strips between ceiling and wall |
This place covers:
Suspended or false ceilings comprising a flexible tensioned membrane secured to the supporting construction and/or to the adjacent walls.
Attention is drawn to the following places, which may be of interest for search:
Ceiling slabs comprising fabrics tensioned on frames | |
Tapestry work | |
Coverings made of fabrics | |
Boards having display surface tensioning means |
This place does not cover:
Suspended or false ceilings comprising a flexible tensioned membrane secured to the supporting construction and/or to the adjacent walls | |
Grid-like or open-work ceilings, e.g. lattice type ceilings | |
Lighting |
Attention is drawn to the following places, which may be of interest for search:
Suspended or false ceilings with means for hanging lighting fixtures or other appliances to the framework of the suspended or false ceiling, e.g. to the T-bars of a suspended ceiling, are classified in E04B 9/006.
This place does not cover:
Details of ceiling edges |
Attention is drawn to the following places, which may be of interest for search:
Sound or noise insulation in buildings | |
Slab shaped sound absorbing elements for buildings | |
Grids for lighting devices | |
Methods or devices for protecting against or damping noise |
Attention is drawn to the following places, which may be of interest for search:
Connections between non parallel members of the supporting construction of a suspended ceiling |
Grid-like ceilings are classified in E04B 9/345.
In this place, the following terms or expressions are used with the meaning indicated:
Slat | A long, thin, flat piece of lumber, metal or plastic. |