| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 02/21/2002 | US20020021941 Foundation flood gate with ventilation |
| 02/20/2002 | CN2477703Y Anti-theft, dust-proof and environmental protection water gate headstock gear |
| 02/20/2002 | CN1336467A Automatic monoway water gate |
| 02/20/2002 | CN1336466A Artificial short-seam structure of rolled concrete arch dam |
| 02/20/2002 | CN1336465A Directly flowing dam |
| 02/19/2002 | US6348120 Main body segments are joined and vulcanized/bonded to each other using unvulcanized rubber sheets |
| 02/13/2002 | EP1179641A2 Protection device which can be lowered and provided with a fabric |
| 02/13/2002 | CN1335432A Flexible arch for roling concrete on soft foundation |
| 02/07/2002 | WO2002010519A1 Segment of flood-protection wall based on special bag filled with water |
| 02/06/2002 | CN1078920C Waterproof protective layer for building water conservancy facilities underwater |
| 01/30/2002 | CN2474587Y Movable hydraulic gate raising machine |
| 01/30/2002 | CN2474586Y Movable water lock gate |
| 01/23/2002 | EP0965074B1 Device for controlling a liquid flow |
| 01/23/2002 | CN1078281C New method of building river channel type reservior |
| 01/16/2002 | EP1068124B1 Device for displacing the moveable parts of rail switches or crossings |
| 01/16/2002 | CN2471822Y Opening/shutting apparatus |
| 01/09/2002 | CN1330187A Hinged arch structure of rolled concrete arch dam |
| 01/02/2002 | CN1329689A Method and device for the waterproofing of joints and cracks in hydraulic works, concrete and masonry structures |
| 12/26/2001 | CN2467572Y Overload protector for screw headstock gear |
| 12/26/2001 | CN1328193A Steel cable reinforcing engineering for reservoir dam |
| 12/19/2001 | EP0846205B1 Connection system for reinforced composite structures |
| 12/05/2001 | CN2463450Y Floating pontoon separated hydraulic self-controlling gate |
| 12/05/2001 | CN2463449Y Free-lifting multi-functional embankment gate |
| 12/05/2001 | CN2463448Y Removable metal radial water storage gate |
| 12/05/2001 | CN1324971A Floating and choking river-damming method |
| 11/28/2001 | EP1157168A1 Method and device for the waterproofing of joints and cracks in hydraulic works, concrete and masonry structures |
| 11/28/2001 | EP1009883B1 Dike module |
| 11/28/2001 | CN2461961Y Oil pressure water gate machine (1) |
| 11/21/2001 | CN2460556Y Hand light water gate |
| 11/21/2001 | CN1322880A Support for water conservancy engineering |
| 11/14/2001 | CN2459345Y Lever type hydraulic water gate |
| 11/13/2001 | US6315495 Portable environmental containment system |
| 11/09/2001 | CA2307981A1 A water-proof bag for banking |
| 11/07/2001 | EP1152090A1 Sliding valve system with and without operation mechanism, free of maintenance and made of plastic material |
| 11/07/2001 | CN2458340Y Rotary plastic flat gate |
| 11/07/2001 | CN1074489C One-way automatic water gate |
| 11/07/2001 | CN1074488C Surface waterproof structure and method for enrockment dam with concrete face |
| 11/07/2001 | CN1074487C Inclined bed horizontal push spreading method for concrete rolling damming construction |
| 11/06/2001 | US6312192 Flood control barrier |
| 11/06/2001 | US6311949 Apparatus for operating water gate |
| 11/04/2001 | CA2307524A1 Method and apparatus for forming a barrier |
| 10/31/2001 | CN2457205Y Irrigation gate |
| 10/31/2001 | CN2457204Y Quick assembling water gate |
| 10/24/2001 | CN2455773Y Stainless steel water gate with soft sealing hole and four edge water stopping |
| 10/24/2001 | CN2455772Y Chain connected float cylinder |
| 10/24/2001 | CN2455771Y Water stopping structure for gaps on concrete panels of rockfill dam |
| 10/17/2001 | CN2454412Y Moveable two-hanger-point ring-chain calabash opening-closing machine |
| 10/11/2001 | US20010028826 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 |
| 10/11/2001 | DE10015587A1 Measuring, warning and protection system serving as safeguard against pollution of rivers with toxic industrial agents comprises fixed stations which communicate with mobile observation units |
| 10/10/2001 | EP1143317A1 Device for controlling a liquid flow |
| 10/10/2001 | EP1143073A2 Method and device for regulating the internal pressure of flexible membrane dam |
| 10/10/2001 | CN1072745C Combined dam of steel. wood. soil and stone and its construction technology |
| 10/04/2001 | US20010026731 Construction methods for preventing land erosion and improving streams, or for revetments, and construction methods for preventing mountain landslides |
| 09/26/2001 | CN2450266Y Single-barrel double-hanging-point opening and closing device for built-in speed ruducer |
| 09/26/2001 | CN1314531A Splice alternate penetration bearing structure and large span gate board, integrated deck bridge |
| 09/19/2001 | CN2448807Y Building-block type multi-function land/water working platform |
| 09/12/2001 | CN2447381Y Automatic flood-discharging flood-diversion gate |
| 09/11/2001 | US6287051 Fixable seal sluice gate |
| 09/11/2001 | US6287050 Foundation flood gate with ventilation |
| 08/29/2001 | EP1127192A1 Water control gate |
| 08/29/2001 | CN2444987Y Cam compact stoplog |
| 08/29/2001 | CN2444986Y Rotation-shaft-type weir gate |
| 08/29/2001 | CN1310268A Microfriction rotary gate |
| 08/16/2001 | WO2001059221A1 Weir with weirgate with a low placed axis foreseen with mechanical drive |
| 08/15/2001 | CN2443042Y Chained float material net |
| 08/15/2001 | CN1069718C Construction method while river cut-off dam closured |
| 08/08/2001 | CN1069371C Construction method for confferdam and dyke-dam |
| 07/25/2001 | CN2440058Y Lintel water-stopping structure of arc-shaped sluice gate |
| 07/19/2001 | WO2001051714A1 Elevating gate |
| 07/11/2001 | EP0874941B1 Automatic wicket for a hydraulic structure such as a river sill, a dam spillway or a protective dyke |
| 06/20/2001 | CN1299905A Screw type open and close machine |
| 06/20/2001 | CN1299904A Rolling open and close machine |
| 06/19/2001 | US6247873 Construction methods for preventing land erosion and improving streams, or for revetments, and construction methods for preventing mountain landslides |
| 06/14/2001 | WO2001042147A1 Apparatus for removing deposits and/or pollutants from water |
| 06/13/2001 | DE19959116A1 Device for supporting prefabricated parts for renovating old dam wall uses elastomer plates inserted between convex upper edge of one prefabricated part and concave lower edge of part above and secured by spike |
| 05/23/2001 | EP0954644B1 Mobile anti-flood protection device |
| 05/23/2001 | CN2431310Y Semi-automatic gate prefab for draining and irrigating |
| 05/23/2001 | CN1296102A Water discharge implement for reservoir |
| 05/23/2001 | CN1296101A Novel ship lock |
| 05/10/2001 | WO2001032991A1 Constitution method of automatic flood-gate of discharge type in the lower part |
| 04/26/2001 | WO2001029327A1 Dam element, method for using said dam element and dam device and protection element |
| 04/11/2001 | CN2426494Y 橡胶坝 Rubber Dam |
| 04/10/2001 | US6213684 Telescoping weir |
| 04/10/2001 | US6213683 Flexible film weir |
| 04/04/2001 | CN2425950Y Lock free theft-proof open/close machine for culvert gate |
| 03/06/2001 | US6196764 Automatic wicket for a hydraulic structure |
| 03/06/2001 | US6196763 Connection system for hoses, expansion joints and actuators |
| 02/28/2001 | CN2421323Y Hoist for reservoir gate |
| 02/28/2001 | CN1285890A Protective elements, devices comprising said elements and method for protecting a zone against floods and avalanches |
| 02/14/2001 | CN2419263Y Energy saving water gate |
| 02/14/2001 | CN2419262Y Knife switch |
| 01/31/2001 | CN2417200Y Aluminium alloy folding beam type gate |
| 01/30/2001 | US6179521 Flexible membrane mounting metal fitting and flexible membrane inflating structural body |
| 01/23/2001 | US6176493 Slide gate and seal therefor |
| 01/17/2001 | EP1068124A1 Device for displacing the moveable parts of rail switches or crossings |
| 01/17/2001 | CN1060833C Construction technique for water bottom building of dike (dam) in deep water region |
| 01/11/2001 | WO2001002650A1 Method of horizontal spread with inclined layer for constructing a dam with rolling concrete |
| 01/10/2001 | EP1066427A1 Flood control barrier |
| 01/10/2001 | CN2414110Y Rubber drainage weir |
| 01/10/2001 | CN1060548C Quick hydralic control machine for plane gate of hydro-electric power station |