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CPC
COOPERATIVE PATENT CLASSIFICATION
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HYDRAULIC ENGINEERING (ship-lifting E02C; dredging E02F)
WARNING
-
[C12.08]
The following IPC groups are not used in the CPC scheme. Subject matter covered by these groups is classified in the following CPC groups:

E02B 15/06 covered by E02B 15/08
E02B 15/08 covered by E02B15/04B
E02B 15/10 covered by E02B15/04C to E02B15/04G

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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)
}
E02B 1/003
.
{
Mechanically induced gas or liquid streams in seas, lakes or water-courses for forming weirs or breakwaters; making or keeping water surfaces free from ice, aerating or circulating water, e.g. screens of air-bubbles against sludge formation or salt water entry, pump-assisted water circulation (moving sediments E02B 3/023; for ice breakers B63B 35/08; aerating or circulating water in fish-tanks A01K 63/042; purification of waste water with addition of air C02F; distributing gases in liquids in general B01F 3/04)
}
E02B 1/006
.
{
Arresting, diverting or chasing away fish in water-courses or water intake ducts, seas or lakes, e.g. fish barrages, deterrent devices (E02B 8/085 takes precedence); Devices for cleaning fish barriers
}
E02B 1/02
.
Hydraulic models
{
towing tanks or basins for model vessels B63B 9/02
}
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Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites (barrages or weirs E02B 7/00); Sealing or joints for engineering works in general
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E02B 3/02
.
Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow (
{
harvesting water plants A01D 44/00; underwater loosening of soil or rocks for foundation construction E02D 17/16
}
; dredging or scraping devices E02F 5/28)
E02B 3/023
. .
{
Removing sediments (in barrages or reservoirs E02B 8/02)
}
E02B 3/026
. .
{
Removing solid rocks
}
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.
Structures or apparatus for, or methods of, protecting banks, coasts, or harbours (sealings or joints E02B 3/16;
{
E02B 1/003 takes precedence
}
)
E02B 3/043
. .
{
Artificial seaweed
}
E02B 3/046
. .
{
Artificial reefs
}
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E02B 3/06
. .
Moles; Piers; Quay walls; Groynes; Breakwaters
{
Wave dissipating walls; Quay equipment
}
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E02B 3/062
. . .
{
Constructions floating in operational condition, e.g. breakwaters or wave dissipating walls (floating oil barriers E02B15/04B; floating stream regulating devices E02B 3/02)
}
E02B 3/064
. . . .
{
Floating landing-stages (construction of pontoons B63B 35/34; landing bridges E01D 15/14)
}
E02B 3/066
. . .
{
Quays (bulkheads E02D 5/00; caissons E02D 23/00; retaining walls E02D 29/00)
}
E02B 3/068
. . .
{
Landing stages for vessels (floating landing-stages E02B 3/064; landing bridges E01D 15/14)
}
E02B 3/08
. . .
Structures of loose stones with or without piles (piles E02D 5/00)
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E02B 3/10
. .
Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like (making embankments or dams in general E02D 17/18)
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E02B 3/102
. . .
{
Permanently installed raisable dykes
}
E02B 3/104
. . . .
{
with self-activating means
}
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E02B 3/106
. . .
{
Temporary dykes
}
E02B 3/108
. . . .
{
with a filling, e.g. filled by water or sand
}
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. .
Revetment of banks, dams, water-courses, or the like,
{
e.g. the sea-floor
}
(of slopes in general E02D 17/20)
E02B 3/121
. . .
{
Devices for applying linings on banks or the water bottom (for lining canals E02B 5/02)
}
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E02B 3/122
. . .
{
Flexible prefabricated covering elements, e.g. mats, strips
}
E02B 3/123
. . . .
{
mainly consisting of stone, concrete or similar stony material
}
E02B 3/124
. . . .
{
mainly consisting of metal
}
E02B 3/125
. . . .
{
mainly consisting of vegetable material, e.g. wood, reeds
}
E02B 3/126
. . . .
{
mainly consisting of bituminous material or synthetic resins
}
E02B 3/127
. . . .
{
bags filled at the side
}
E02B 3/128
. . .
{
Coherent linings made on the spot, e.g. cast in situ, extruded on the spot (for canal linings E02B 5/02)
}
E02B 3/129
. . .
{
Polyhedrons, tetrapods or similar bodies, whether or not threaded on strings
}
E02B 3/14
. . .
Preformed blocks
{
or slabs for forming essentially continuous surfaces
}
; Arrangements thereof
{
(preassembled to constitute flexible mats E02B 3/122; pavements E01C 5/00)
}
E02B 3/16
.
Sealings or joints (
{
E02B 3/12 takes precedence; sealings for specific structural foundation elements, see the relevant groups for those elements; sealings for barrage or lock gates E02B 7/54
}
; joints for foundation structures E02D 29/16; sealing joints not restricted to hydraulic engineering work E04B 1/68)
E02B 3/18
.
Reclamation of land from water
{
or marshes
}
(drainage of soil E02B 11/00)
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.
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
}
)
E02B 3/24
. .
Mooring posts
E02B 3/26
. .
Fenders (
{
fenders for protecting offshore constructions E02B 17/003
}
; fenders integral with waterborne vessels or specially adapted therefor B63B 59/02)
E02B 3/28
. .
Fender piles
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Artificial water canals,
{
e.g. irrigation canals
}
(for water-power plants E02B 9/02; irrigation of soil E02B 13/00)
E02B 5/005
.
{
Canals entirely situated above ground level, e.g. on piers (canal bridges E01D 18/00)
}
E02B 5/02
.
Making or lining canals
{
(linings in generalE02B 13/02; digging canalsE02F)
}
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E02B 5/04
.
Navigable canals
E02B 5/06
. .
Operating equipment in connection with canals (ship-lifting devices E02C)
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.
Details, e.g. gates, screens
NOTE
-
This subdivision is limited to closures, devices for arresting waterborne materials and divisors

E02B 5/082
. .
{
Closures(for irrigation conduitsE02B 13/02)
}
. .
{
Arresting devices for waterborne materials, e.g. gratings (fish barrages E02B 1/006; removing sediments E02B 3/023; arresting oil or similar polluants E02B15/04B; for waste water purification E02F; in sewers E03F 5/14)
}
E02B 5/087
. .
{
Divisors
}
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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)
E02B 7/005
.
{
Deformable barrages or barrages consisting of permanently deformable elements, e.g. inflatable, with flexible walls (closures E02B 7/54; floating oil barrages E02B15/04B)
}
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E02B 7/02
.
Fixed barrages
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E02B 7/04
. .
Dams across vallies
E02B 7/06
. . .
Earth-fill dams; Rock-fill dams
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E02B 7/08
. . .
Wall dams
E02B 7/10
. . . .
Gravity dams, i.e. those in which the weight of the structure prevents overturning
E02B 7/12
. . . .
Arch dams
E02B 7/14
. . . .
Buttress dams
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E02B 7/16
.
Fixed weirs; Superstructures or flash-boards therefor
E02B 7/18
. .
Siphon weirs
{
(syphons in hydraulic engineering in general E02D 29/08)
}
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E02B 7/20
.
Movable barrages; Lock
{
or dry-dock
}
gates
E02B 7/205
. .
{
Barrages controlled by the variations of the water level; automatically functioning barrages (level regulators G05D 9/00; the documents are filed in this subdivision and the relevant subdivision E02B 7/26 to E02B 7/50)
}
E02B 7/22
. .
Stop log dams; Emergency gates
E02B 7/24
. .
Needle weirs
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E02B 7/26
. .
Vertical-lift gates
E02B 7/28
. . .
with sliding gates
E02B 7/30
. . .
with guide wheels or rollers for the gates
E02B 7/32
. . .
Cylindrical or tubular gates
E02B 7/34
. . .
Flash- boards for vertical-lift gates
E02B 7/36
. . .
Elevating mechanisms for vertical-lift gates
E02B 7/38
. .
Rolling gates
{
or gates moving horizontally in their own plane, e.g. by sliding
}
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E02B 7/40
. .
Swinging or turning gates
E02B 7/42
. . .
Gates of segmental or sector-like shape with horizontal axis
E02B 7/44
. . .
Hinged-leaf gates
E02B 7/46
. . .
Gates turning round a horizontal axis arranged midway of the flap
E02B 7/48
. . .
Roof or double shutter gates
E02B 7/50
. .
Floating gates
E02B 7/52
. .
Equipment preventing vibration of gates
E02B 7/54
. .
Sealings for gates
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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
}
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E02B 8/02
.
Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
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E02B 8/023
. .
{
Arresting devices for waterborne materials (E02B 1/003 takes precedence; in artificial watercourses E02B 5/085; arresting oil or the like E02B15/04B; sieving devices for waste water purification C02F; in sewers E03F 5/14)
}
E02B 8/026
. . .
{
Cleaning devices (for fish barrages E02B 1/006)
}
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E02B 8/04
.
Valves, slides, or the like; Submerged sluice gates
E02B 8/045
. .
{
automatically movable
}
E02B 8/06
.
Spillways; Devices for dissipation of energy, e.g. for reducing eddies
{
also for lock or dry-dock gates
}
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E02B 8/08
.
Fish passes
{
or other means providing for migration of fish
}
; Passages for rafts or boats
E02B 8/085
. .
{
Devices allowing fish migration, e.g. fish traps (arresting or diverting fish exclusively E02B 1/006)
}
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Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
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E02B 9/02
.
Water-ways
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E02B 9/022
. .
{
Closures
}
E02B 9/025
. . .
{
automatically movable
}
E02B 9/027
. . .
{
Sliding closures (E02B 9/025 takes precedence)
}
E02B 9/04
. .
Free-flow canals or flumes; Intakes (gratings or screens therefor E02B 5/08)
E02B 9/06
. .
Pressure galleries or pressure conduits; Galleries specially adapted to house pressure conduits; Means specially adapted for use therewith, e.g. housings, valves, gates (driving inclined galleries E21D 9/02; valves in general F16K; conduits in general F16L)
E02B 9/08
.
Tide or wave power plants (water-pressure machines, tide or wave motors F03B)
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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)
}
E02B 11/005
.
{
Drainage conduits
}
E02B 11/02
.
Drainage device- laying apparatus, e.g. drainage ploughs
NOTE
-
Group E02B 11/02 is incomplete, see also E02F 3/00 and E02F 5/00, dredgers and soil-shifting machines

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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
}
)
E02B 13/02
.
Closures for irrigation conduits
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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)
E02B 2015/005
.
{
Tent-like structures for dealing with pollutant emissions below the water surface
}
E02B 15/02
.
from ice
{
otherwise than according to E02B 1/003
}
(construction of ships B63B;
{
ice-breakers or amphibious vehicles B63B 35/08; protecting hydraulic engineering structures against ice-load E02B 1/00
}
)
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E02B 15/04
.
Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials (
{
stopping water-borne material in artificial water canals E02B 5/085; stopping water-borne material at barrages or weirs E02B 8/023
}
; other treatment of water, waste water or sewage C02F; materials for treating liquid pollutants; e.g. oil, gasoline, fat, C09K 3/32;
{
separation of oil in sewage conduits E03F 5/16
}
)
E02B 15/041
. .
{
Devices for distributing materials, e.g. absorbed or magnetic particles over a surface of open water to remove the oil, with or without means for picking up the treated oil (E02B 15/042 takes precedence)
}
E02B 15/042
. .
{
Devices for removing the oil by combustion with or without means for picking up the oil
}
E02B 15/043
. .
{
Devices or methods for removing oil by means of freezing
}
E02B 15/045
. .
{
Separating means for recovering oil floating on a surface of open water; E02B 15/048 takes precedence (separation in general B01D)
}
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E02B 15/046
. .
{
Collection of oil using vessels, i.e. boats, barges
}
E02B 15/047
. . .
{
provided with an oil collecting boom arranged on at least one side of the hull
}
E02B 15/048
. .
{
Oil collectors moved over the water skimming the water surface
}
E02B 15/06
. .
Barriers therefor (E02B 15/08 takes precedence)
{
construed for applying processing agents or for collecting pollutants, e.g. absorbent
}
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E02B 15/08
. .
Devices for reducing the polluted area
{
with or
}
without
{
additional devices for
}
removing the material
E02B 15/0807
. . .
{
with stabilising elements
}
E02B 15/0814
. . .
{
with underwater curtains
}
E02B 15/0821
. . .
{
adapted for protection against fire or extreme heat
}
E02B 15/0828
. . .
{
fixed to the side of a boat for containing small leaks in the hull
}
E02B 15/0835
. . .
{
fixed to permanent structure, e.g. harbour wall or river bank
}
E02B 15/0842
. . .
{
adapted to be towed for operation
}
E02B 15/085
. . .
{
Details of connectors
}
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E02B 15/0857
. . .
{
Buoyancy material
}
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E02B 15/0864
. . . .
{
Air (E02B 15/0878 takes precedence)
}
E02B 15/0871
. . . . .
{
self-inflating barriers
}
E02B 15/0878
. . . .
{
Air and water
}
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E02B 15/0885
. . . .
{
Foam
}
E02B 15/0892
. . . . .
{
using expanded polystyrene foam
}
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E02B 15/10
. .
Devices for removing the material from the surface
{
(E02B 15/041, E02B 15/042, E02B 15/06 take precedence)
}
E02B 15/101
. . .
{
Means floating loosely on the water absorbing the oil (absorbing materials C02F)
}
E02B 15/102
. . .
{
Discs
}
E02B 15/103
. . .
{
Rotary drums
}
E02B 15/104
. . .
{
Conveyors; Paddle wheels; Endless belts (E02B 15/101 takes precedence)
}
E02B 15/105
. . .
{
Archimedian screws
}
E02B 15/106
. . .
{
Overflow skimmers with suction heads; suction heads
}
E02B 15/107
. . .
{
Whirling means forming a vortex in the water; cyclones
}
E02B 15/108
. . .
{
Ejection means
}
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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 9/065
}
; anchoring floating platforms B63B 21/00; floating platforms, e.g. anchored, B63B 35/44;
{
underwater reservoirs B65D 88/78
}
)
E02B 17/0004
.
{
Nodal points
}
E02B 17/0008
.
{
Methods for grouting offshore structures; apparatus therefor (cementing boreholes E21B 33/13)
}
E02B 17/0013
.
{
Tube closures for releasable sealing hollow tubes
}
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E02B 17/0017
.
{
Means for protecting offshore constructions
}
E02B 17/0021
. .
{
against ice-loads
}
E02B 17/0026
. .
{
against corrosion
}
E02B 17/003
. .
{
Fenders
}
E02B 17/0034
.
{
Maintenance, repair or inspection of offshore constructions
}
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E02B 2017/0039
.
{
Methods for placing the offshore structure
}
E02B 2017/0043
. .
{
Placing the offshore structure on a pre-installed foundation structure
}
E02B 2017/0047
. .
{
using a barge
}
E02B 2017/0052
.
{
Removal or dismantling of offshore structures from their offshore location
}
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E02B 2017/0056
.
{
Platforms with supporting legs
}
E02B 2017/006
. .
{
with lattice style supporting legs
}
E02B 2017/0065
. .
{
Monopile structures
}
E02B 2017/0069
. .
{
Gravity structures
}
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E02B 2017/0073
. .
{
Details of sea bottom engaging footing
}
E02B 2017/0078
. . .
{
Suction piles, suction cans
}
E02B 2017/0082
. . .
{
Spudcans, skirts or extended feet
}
E02B 2017/0086
. . .
{
Large footings connecting several legs or serving as a reservoir for the storage of oil or gas
}
E02B 2017/0091
.
{
Offshore structures for wind turbines
}
E02B 2017/0095
.
{
Connections of subsea risers, piping or wiring with the offshore structure
}
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E02B 17/02
.
placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
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E02B 17/021
. .
{
with relative movement between supporting construction and platform
}
E02B 17/022
. . .
{
adapted to travel on the bottom (walking gears moving dredgers forward step-by-step E02F 9/04)
}
E02B 17/024
. . .
{
shock absorbing means for the supporting construction
}
E02B 17/025
. .
{
Reinforced concrete structures (E02B 17/021 takes precedence)
}
E02B 17/027
. .
{
steel structures (E02B 17/021 takes precedence)
}
E02B 17/028
. .
{
Ice-structures
}
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E02B 17/04
.
Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction (platform lifts in general B66F 7/00)
E02B 17/06
. .
for immobilising, e.g. using wedges or clamping rings
{
(as elements of the raising or lowering means E02B 17/08)
}
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E02B 17/08
. .
for raising or lowering
E02B 17/0809
. . .
{
the equipment being hydraulically actuated (outriggers for cranes B66C 23/80)
}
E02B 17/0818
. . .
{
with racks actuated by pinions (lifting jacks B66F 3/02 to B66F 3/06)
}
E02B 17/0827
. . .
{
with screws and nuts mechanism (climbing jacks with following nut E02B 17/0881; lifting jacks B66C 3/08)
}
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E02B 17/0836
. . .
{
with climbing jacks (climbing cranes B66C 23/32; hydraulic lifting jacks B66F 3/24 and subgroups)
}
E02B 17/0845
. . . .
{
with inflatable clamping rings
}
E02B 17/0854
. . . .
{
with clamping wedges, eccentric clamping devices and so on (catch devices for elevators B66B 5/20, B66B 5/24, B66B 5/26)
}
E02B 17/0863
. . . .
{
with rack and pawl mechanism
}
E02B 17/0872
. . . .
{
with locking pins engaging holes or cam surfaces
}
E02B 17/0881
. . . .
{
with following nuts
}
E02B 17/089
. . . .
{
with subtentation blocks, feet and so on
}
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E02B 2201/00
Devices, constructional details or methods of hydraulic engineering not otherwise provided for
E02B 2201/02
.
Devices and methods for creating a buffer zone in the water to separate e.g. salt and sweet water
E02B 2201/04
.
using old tires for hydraulic engineering
E02B 2201/50
.
Devices for sequentially discharging constant liquid quantities, e.g. into different irrigation channels
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013