| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 03/26/2003 | CN2541511Y Combined flood preventing gate structure |
| 03/26/2003 | CN1406303A Method for soil erosion control works or shore protection works and structure for soil protection or shore protection |
| 03/26/2003 | CN1405406A Water gate sealing device |
| 03/20/2003 | WO2003023148A1 Liquid level regulation apparatus |
| 03/20/2003 | DE20300565U1 Flood water protection device |
| 03/05/2003 | CN2538848Y Soil protector for river cut-off dam |
| 02/27/2003 | US20030039512 Method & apparatus for recycling hydro power |
| 02/26/2003 | EP1286001A1 Barrage for high water protection with protection elements with vertical movement |
| 02/13/2003 | WO2003012209A1 Fluid level control system |
| 02/13/2003 | CA2455495A1 Fluid level control system |
| 02/12/2003 | CN2535497Y Adjustable locking device for water gate opening-closing machine |
| 02/06/2003 | WO2003010389A1 Device for protection against fluid flow |
| 02/06/2003 | US20030026660 Automatically opened and closed water gate |
| 02/06/2003 | US20030026659 Water gate opened and closed by oil pressure |
| 02/06/2003 | US20030026658 Manual light water gate |
| 02/06/2003 | US20030024865 Fluid level control system |
| 02/06/2003 | US20030024859 Fluid level control system |
| 01/29/2003 | CN2533156Y Movable antiflood dam |
| 01/23/2003 | WO2003006747A2 Water control gate and actuator therefore |
| 01/23/2003 | CA2747379A1 Water control gate and actuator therefore |
| 01/22/2003 | CN2532116Y Rubber-plastics cover board T-shape joint |
| 01/16/2003 | US20030012604 Method for soil erosion control works or shore protection works and structure for soil protection or shore protection |
| 01/09/2003 | US20030008198 Membrane-electrode assembly for solid polymer electrolyte fuel cells and process for its production |
| 01/08/2003 | EP1273712A1 Mobile flood protection system |
| 01/08/2003 | CN2529911Y Teflon coated water-seal |
| 01/08/2003 | CN1389947A Membrane electrode assembly for solid polymer electrolyte fuel cell and method for manufacturing the same |
| 01/02/2003 | EP1270822A2 Membrane weir |
| 01/01/2003 | CN2528799Y Supporting mechanism of hydraulic lock gate |
| 12/26/2002 | US20020197112 Structure and method for detecting an inflated state of a flexible membrane dam |
| 12/11/2002 | CN1384251A Fast closure plant for barrage gate in damming river and its use |
| 12/05/2002 | DE10127493A1 Renovation of a dam wall has a drainage layer fastened to the wall surface, at the water side, covered by a welded plastics sealing layer |
| 12/04/2002 | EP1263073A1 Membrane-electrode assembly for solid polymer electrolyte fuel cells and process for its production |
| 12/04/2002 | CN1095516C Method for exploiting latent potentiality of land reclained from lake or reservoir |
| 11/30/2002 | CA2388884A1 Membrane-electrode assembly for solid polymer electrolyte fuel cells and process for its production |
| 11/27/2002 | CN1381649A Rubber dam without overlap joint in skeleton layer |
| 11/26/2002 | US6485231 Foundation flood gate with ventilation |
| 11/20/2002 | CN2521254Y Steel cable flexible dam |
| 11/07/2002 | WO2002088472A1 Method for the removal of sediment from sand traps |
| 11/05/2002 | US6474356 Device for controlling a liquid flow |
| 10/30/2002 | CN2518898Y Water-saving gate |
| 10/23/2002 | CN2517780Y Rigid watertight gate |
| 10/23/2002 | CN2517779Y Arc shaped gate controlling mechanism |
| 10/23/2002 | CN2517778Y Double-hook automatic hanging and droping beam |
| 10/23/2002 | CN2517777Y Coupled-type double-hanging point hoisting start-stop machine |
| 10/22/2002 | US6467999 Internal pressure regulating system for flexible bag body, flexible membrane dam using the same, and method for regulating internal pressure in the flexible membrane dam |
| 10/22/2002 | US6467998 Self-regulating weirs and fishways |
| 10/16/2002 | CN1374433A Improved safety edge for horizontal axis rotary door |
| 10/03/2002 | WO2002076862A1 Method and silo-displacer combination for the loading and transport of agricultural products |
| 10/02/2002 | CN2514038Y Stainless steel plate gate |
| 09/28/2002 | CA2342275A1 Permanent, maintenance-free flood control dams |
| 09/26/2002 | WO2002075057A1 Portable flood barrier section and flood barrier |
| 09/25/2002 | CN1370923A Method for raising powe generating efficiency of dam |
| 09/25/2002 | CN1370891A Flood guiding method and plant |
| 09/18/2002 | EP1241313A2 Improved safety edge for horizontally pivoted rolling gates |
| 09/18/2002 | CN2511718Y Height surveying instrument for sluice gate |
| 09/18/2002 | CN2511717Y Device for determining range and opening of arch gate and protecting deflection |
| 09/18/2002 | CN1091194C Dustpan shaped dam |
| 09/17/2002 | US6450733 Mobile anti-flood protection device |
| 09/12/2002 | US20020124973 Safety edge for horizontally pivoted rolling gates |
| 09/12/2002 | CA2374183A1 Improved safety edge for horizontally pivoted rolling gates |
| 09/04/2002 | EP1235754A1 Apparatus for removing deposits and/or pollutans from water |
| 09/04/2002 | CN1090266C Damming device for erecting liquid-damming protective bank |
| 09/04/2002 | CN1090265C Design method for building parking tower at intersection |
| 08/28/2002 | CN2507912Y Float box type automatic gate for overfall dam |
| 08/28/2002 | CN2507911Y High-efficiency self-lowering water gate opening and closing machine |
| 08/21/2002 | CN2506695Y Solar energy supply electric remote controlled water gate |
| 08/21/2002 | CN2506694Y Dam capable of preventing surface from cracking |
| 08/08/2002 | US20020106246 Guidance method and guidance system of flood water |
| 07/24/2002 | CN2501912Y Concrete gate |
| 07/18/2002 | WO2002010519B1 Segment of flood-protection wall based on special bag filled with water |
| 07/17/2002 | EP1222336A1 Dam element, method for using said dam element and dam device and protection element |
| 07/11/2002 | WO2002053842A1 Method for soil erosion control works or shore protection works and structure for soil protection or shore protection |
| 07/10/2002 | CN2499439Y Assembled interlink flood gate |
| 07/03/2002 | CN2498208Y Leakage proof gate and accompanied arrangement |
| 07/02/2002 | US6413014 Damming device for erecting a liquid-damming protective bank |
| 06/26/2002 | CN2496919Y Built-in water-gate mouth sensing device |
| 06/26/2002 | CN1355353A Rubber dam containing steel wire meshes and its making technology |
| 06/20/2002 | WO2002048068A1 Polymer-modified earthwork materials |
| 06/20/2002 | DE10062657A1 Polymermodifizierte Erdbaustoffe Polymer-modified Erdbaustoffe |
| 06/12/2002 | CN1353076A Multifunctional modular amphibious platform and its construction technology |
| 06/11/2002 | US6402095 Device for displacing the moveable parts of rail switches or crossings |
| 06/05/2002 | CN2494381Y On-canal plug |
| 05/23/2002 | WO2002040780A1 Hydraulic dam |
| 05/23/2002 | US20020061230 Fitting structural body, fitting and flexible sheet inflatable gate |
| 05/22/2002 | CN2492594Y Oil-pressure water gate machine (2) |
| 05/21/2002 | US6390730 Protective elements, devices comprising said elements and method for protecting a zone against floods and avalanches |
| 05/16/2002 | WO2002038871A1 Dam system for water expanse of the type with pivoting valve |
| 05/08/2002 | CN2490207Y Rubber barrage without lap steam |
| 05/08/2002 | CN1348034A Drifting and blocking cut-off process in fixed position |
| 04/25/2002 | US20020048491 Flood control barrier |
| 04/24/2002 | CN2487779Y Wedge transfer locking type gate |
| 04/18/2002 | US20020043283 Device for controlling a liquid flow |
| 03/21/2002 | WO2002022505A1 Improve system for quality of water using multi level water reserve apparatus |
| 03/20/2002 | EP1188863A1 Apparatus for controlling the water level in a ditch canal, river or the like |
| 03/13/2002 | CN1080797C Pore creating technology for large volume concrete part |
| 03/12/2002 | US6354762 Mounting member and flexible membrane dam |
| 02/28/2002 | WO2002016698A1 Control gates |
| 02/28/2002 | DE10040047A1 Temporäre Schutzvorrichtung Temporary protection device |
| 02/28/2002 | CA2781640A1 Control gates |
| 02/28/2002 | CA2694067A1 Control gates |