CPC Definition - Subclass E02B

Last Updated Version: 2020.02
HYDRAULIC ENGINEERING (ship-lifting E02C; dredging E02F)
Definition statement

This place covers:

Man-made devices for using or controlling natural bodies of water;

Artificial bodies of water.

Equipment or apparatus for, or methods of, general hydraulic engineering {, e.g. protection of constructions against ice-strains (protection of offshore constructions against ice-loads E02B 17/0021; ice-structures as artificial islands E02B 17/028)}
Definition statement

This place covers:

Big scale hydraulic projects for controlling water or water level (groundwater, seawater, rivers, lakes) and small scale models for such projects.

Methods and devices relating to use or control of ice, e.g. protection against ice strains or use of ice formation.

Small-scale models for modelling big scale projects.

References
Limiting references

This place does not cover:

Protection of offshore constructions against ice-loads

E02B 17/0021

Ice-structures as artificial islands

E02B 17/028

Computer-models of water flow

G06F

Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites (barrages or weirs E02B 7/00); Sealings or joints for engineering works in general
Definition statement

This place covers:

Protecting, maintaining or preparing waterways or the border between water and land for use.

Relationships with other classification places

Garden ponds per se are classified in A01K 63/00, the constructional features of ponds are classified in E02B 3/00.

References
Limiting references

This place does not cover:

Barrages or weirs

E02B 7/00

Methods or apparatus for dredging

E02F

Drilling

E21B, E21D

Informative references

Attention is drawn to the following places, which may be of interest for search:

Garden ponds

A01K 63/00

Foundations under water or at the border between land and water

E02D

Structures or apparatus for, or methods of, protecting banks, coasts, or harbours ({E02B 1/003 takes precedence;} sealing or joints E02B 3/16 )
Definition statement

This place covers:

Structures for protection against beach erosion, in general not completely submerged, but close to shoreline;

Flood protection devices.

References
Limiting references

This place does not cover:

Sealings or joints

E02B 3/16

Artificial reefs specially adapted to fish farming

A01K

Flood protection for buildings

E04H 9/145

Flood protection for building openings

E06B 9/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Breakwaters, which may be similar in construction and effect, but are generally completely submerged in use

E02B 3/06

Sand bags

E02B 3/127

Special rules of classification

Protection by mechanically induced liquid or gas streams is classified in E02B 1/003 and takes precedence.

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Quay wall

fixed construction forming the coast line for mooring boats

Groyne

breakwater perpendicular to coast line

Breakwater

construction for coast protection, generally positioned underwater

Pier

fixed construction on pillars perpendicular to coast line

Mole

massive construction perpendicular to coast line

Revetment of banks, dams, watercourses, or the like, {e.g. the sea-floor} (of slopes in general E02D 17/20)
Definition statement

This place covers:

Devices for covering water borders or the sea floor for protection.

Relationships with other classification places

Revetment of slopes for other purposes, e.g. roadsides, are classified in E02D.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Gabions with vegetation for sound protection

E01F 8/025

Placing concrete under water

E02D 15/06

Gabions in general

E02D 29/0208

Special rules of classification

Methods are classified in the group of the corresponding product.

Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards (tying-up, anchoring B63B 21/00, e.g. bollards for shipping B63B 21/06; buoys B63B 22/00 {; equipment specially adapted for use in locks or dry docks E02C 1/10})
Definition statement

This place covers:

Devices on shore or fixed in the water for accommodating ships.

References
Limiting references

This place does not cover:

Similar devices mounted on ships

B63B

Anchoring of ships

B63B 21/00

Buoys

B63B 22/00

Equipment specially adapted for use in locks or dry docks

E02C 1/10

Informative references

Attention is drawn to the following places, which may be of interest for search:

Bollards

B63B 21/06

Access bridges for ships

E01D 15/24

Net barriers for harbour defence

F41H 11/05

Artificial water canals, {e.g. irrigation canals} (for water-power plants E02B 9/02; irrigation of soil E02B 13/00)
Definition statement

This place covers:

Constructional aspects of canals, e.g. irrigation canals or water traffic canals.

References
Limiting references

This place does not cover:

Water ways for water power plants

E02B 9/02

Irrigation of soil

E02B 13/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Placing concrete under water

E02D 15/06

Details, e.g. gates, screens
Definition statement

This place covers:

Devices used in free flow canals for enhancing usability of the canal.

References
Limiting references

This place does not cover:

Arresting devices with endlessly moving parts

E02B 8/026

Mechanical filtering in general

B01D 29/00, B01D 33/00

Arresting devices with Archimedean screw

E03F 5/14

{Arresting devices for waterborne materials, e.g. gratings (fish barrages E02B 1/006; removing sediments E02B 3/023; arresting oil or similar polluants E02B 15/08; for waste water purification E02F; in sewers E03F 5/14)}
Definition statement

This place covers:

Gratings without moving parts for separating solid materials from water or sewage.

Barrages or weirs; Layout, construction, methods of, or devices for, making same (for protecting banks, coasts, or harbours E02B 3/04; sealings or joints E02B 3/16; handling building or like materials for hydraulic engineering E02D 15/00; foundations in general E02D 27/00)
Definition statement

This place covers:

Devices placed perpendicularly to stream direction for controlling or temporarily interrupting water flow.

References
Limiting references

This place does not cover:

Devices for protection of coasts, banks or harbours

E02B 3/04

High water or flood control devices alongside the river bank

E02B 3/10

Sealings or joints specially adapted for hydraulic engineering

E02B 3/16

Foundations in general

E02D

Informative references

Attention is drawn to the following places, which may be of interest for search:

Handling material for hydraulic engineering

E02D 15/00

Making embankments

E02D 17/18

Special rules of classification

E02B 7/205: automatically functioning barrages, the automatic functioning being essential. Those devices are also classified in the respective subclass E02B 7/26 -E02B 7/50 relating to their form.

Details of barrages or weirs (cleaning or keeping clear the surface of open water E02B 15/00 ){; Energy dissipating devices carried by lock or dry-dock gates}
Definition statement

This place covers:

Subparts of barrages or of the water body created by a barrage, devices for maintaining functioning of barrage or body of water; e.g. energy dissipating devices carried by lock or dry-dock gates.

References
Limiting references

This place does not cover:

Removing sediments from natural waterways

E02B 3/023

Cleaning or keeping clear the surface of open water

E02B 15/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Filters with moving filtering elements

B01D 33/00

Devices for removing solid materials from water using archimedian screws for transporting the removed material out of the canal

E03F 5/14

Special rules of classification

Devices for controlling sedimentation within flowing water, devices for removing sediments from bodies of water behind barrages are classified in E02B 8/02.

Filtering devices for water and sewage having endlessly moving parts are classified in E02B 8/026.

Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
Definition statement

This place covers:

Constructional aspects of water power plants and their related water bearing parts.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Hydraulic motors

F03B

Power stations with machines or engines for liquid

F03B 13/00

Special rules of classification

Documents with details of means for energy production should also to be classified in subclass F03B.

Drainage of soil, e.g. for agricultural purposes {(draining sports grounds E01C 13/083; for consolidating foundation soil, e.g. sand drain piles E02D 3/10)}
Definition statement

This place covers:

Methods and devices for horizontal drainage of ground in general.

References
Limiting references

This place does not cover:

Improving or stabilising soil by managing underground water flow

E02D 3/00

Drainage of sewage into the ground

E03F 1/002

Informative references

Attention is drawn to the following places, which may be of interest for search:

Perforated pipes for irrigation

A01G

Draining sports grounds

E01C 13/083

Constructional features of pipes, pipe-laying

F16L

Irrigation ditches, i.e. gravity flow, open channel water distribution systems ({retaining waterborne material in irrigation canals E02B 5/085}; other distribution systems for watering or spraying gardens, fields, sports grounds, or the like, A01G 25/00; {built-in irrigation means for sports grounds E01C 13/083})
Definition statement

This place covers:

Open free flow water channels for irrigation;

Devices for sequential water distribution, e.g. between several irrigation channels or seepage drains.

References
Limiting references

This place does not cover:

Retaining waterborne material in irrigation canals

E02B 5/085

Other irrigation methods and systems, e.g. for agriculture, horticulture

A01G 25/00

Built-in irrigation systems for sports fields

E01C 13/083

Open sewage channels

E03F 3/046

Informative references

Attention is drawn to the following places, which may be of interest for search:

Retaining waterborne material in irrigation canals

E02B 5/085

Cleaning or keeping clear the surface of open water; Apparatus therefor (construction of ships or other waterborne vessels B63B, e.g. vessels specially adapted for collecting pollution from open water B63B 35/32; in swimming or splash baths or pools E04H 4/16)
Definition statement

This place covers:

Floating barriers and devices for controlling and/or collecting oil pollution on open water surfaces, e.g. sea, harbours, lakes, rivers).

References
Limiting references

This place does not cover:

Separation in general

B01D

General constructional aspects of waterborne vessels

B63B

Emptying sunken ships

B63C 7/006

Covering oil spills on well heads

E21B 43/0122

Informative references

Attention is drawn to the following places, which may be of interest for search:

Constructional features of waterborne vessels specially adapted for collecting pollution from open water

B63B 35/32

Cleaning of water in swimming or splash baths or pools

E04H 4/16

Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs {or offshore constructions}; Construction methods therefor ({construction methods for floating platforms B63B 75/00}; anchoring floating platforms B63B 21/00; floating platforms, e.g. anchored, B63B 35/44; {underwater reservoirs B65D 88/78})
Definition statement

This place covers:

Constructional features of ground-based offshore constructions;

Method for their installation or removal.

References
Limiting references

This place does not cover:

Anchoring floating platforms

B63B 21/00

Floating or semi-submersible offshore platforms

B63B 35/44

Construction methods for floating platforms

B63B 73/00

Constructional features of underwater reservoirs

B65D 88/78

Informative references

Attention is drawn to the following places, which may be of interest for search:

Subsea foundations

E02D 27/00