IPC Classification

Class code (prefix) Descriptions Number of results
E02B 1/00 Equipment or apparatus for, or methods of, general hydraulic engineering
E02B 1/02 Hydraulic models
E02B 3/00 Engineering work in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering work in general
E02B 3/02 Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
E02B 3/04 Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
E02B 3/06 Moles; Piers; Quays; Quay walls; Groynes; Breakwaters
E02B 3/08 Structures of loose stones with or without piles
E02B 3/10 Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
E02B 3/12 Revetment of banks, dams, watercourses, or the like
E02B 3/14 Preformed blocks; Arrangements thereof
E02B 3/16 Sealings or joints
E02B 3/18 Reclamation of land from water
E02B 3/20 Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
E02B 3/24 Mooring posts
E02B 3/26 Fenders
E02B 3/28 Fender piles
E02B 5/00 Artificial water canals
E02B 5/02 Making or lining canals
E02B 5/04 Navigable canals
E02B 5/06 Operating equipment in connection with canals
E02B 5/08 Artificial water canals - Details, e.g. gates, screens
E02B 7/00 Barrages or weirs; Layout, construction, methods of, or devices for, making same
E02B 7/02 Fixed barrages
E02B 7/04 Dams across valleys
E02B 7/06 Earth-fill dams; Rock-fill dams
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
E02B 7/16 Fixed weirs; Superstructures or flash-boards therefor
E02B 7/18 Siphon weirs
E02B 7/20 Movable barrages; Lock gates
E02B 7/22 Stop log dams; Emergency gates
E02B 7/24 Needle weirs
E02B 7/26 Vertical-lift gates
E02B 7/28 Vertical-lift gates with sliding gates
E02B 7/30 Vertical-lift gates 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
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
E02B 8/00 HYDRAULIC ENGINEERING - Details of barrages or weirs
E02B 8/02 Sediment base gates; Sand sluices; Structures for arresting waterborne material
E02B 8/04 Valves, slides, or the like; Submerged sluice gates
E02B 8/06 Spillways; Devices for dissipation of energy, e.g. for reducing eddies
E02B 8/08 Fish passes; Passages for rafts or boats
E02B 9/00 Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
E02B 9/02 Water-ways
E02B 9/04 Free-flow canals or flumes; Intakes
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
E02B 9/08 Tide or wave power plants
E02B 11/00 Drainage of soil, e.g. for agricultural purposes
E02B 11/02 Drainage-device-laying apparatus, e.g. drainage ploughs
E02B 13/00 Irrigation ditches, i.e. gravity flow, open channel water distribution systems
E02B 13/02 Closures for irrigation conduits
E02B 15/00 Cleaning or keeping clear the surface of open water; Apparatus therefor
E02B 15/02 Cleaning or keeping clear the surface of open water; Apparatus therefor from ice
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
E02B 15/06 Barriers therefor
E02B 15/08 Devices for reducing the polluted area without removing the material
E02B 15/10 Devices for removing the material from the surface
E02B 17/00 Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs; Construction methods therefor
E02B 17/02 Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
E02B 17/04 Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
E02B 17/06 Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for immobilising, e.g. using wedges or clamping rings
E02B 17/08 Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering