Patents for E02B 9 - Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same (2,361) |
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03/12/1997 | EP0584298B1 Elongated housing of large cross-section and its fabrication method |
12/18/1996 | CN2242912Y Chain-rake type cleaning machine |
12/18/1996 | CN1138250A Device for assembly active and passive network nodal points package of communication equipment |
12/11/1996 | EP0746653A1 Method and apparatus for focusing wave energy on collecting devices |
12/11/1996 | CN2242266Y Shuttle like pressure-adjusting apparatus for pressure pipe-line of water power plant |
11/19/1996 | US5575587 Tide-operated driving system |
10/31/1996 | DE19515138A1 Wave power station e.g. for sea or ocean |
10/30/1996 | CN1134488A Silt treatment equipment for hydroelectric power station |
10/17/1996 | DE19513817A1 Pumped storage plant for electrical power generation |
10/09/1996 | EP0736123A1 Wave energy transformer |
09/24/1996 | US5558460 Artificial reef structure |
08/28/1996 | EP0728873A1 Sheltering device for active and passive connection components of telecommunication equipment |
08/23/1996 | CA2169899A1 Device for housing the active and passive junction assemblies of telecommunications installations |
08/21/1996 | CN2233422Y Curved spring sliding board type supporting device of water gate plate |
08/14/1996 | CN2232935Y Pail-like hydroelectric station |
04/23/1996 | US5510656 Wave collector |
04/23/1996 | US5509437 Dry hydrant check valve |
03/28/1996 | DE19503563C1 Wave-powered electrical energy generator |
02/21/1996 | CN1117103A Longdong hydraulic electrogenerating power unit |
02/08/1996 | DE4426474A1 Hydroelectric power=station flow control |
01/30/1996 | US5487621 Large-depth underground drainage facility and method of running same |
01/11/1996 | WO1996000867A1 Fluid circulation pipe |
01/11/1996 | DE4423278A1 Underwater power generation plant |
01/11/1996 | CA2193857A1 Fluid circulation pipe |
01/03/1996 | CN2216603Y Water raiser |
01/03/1996 | CN2216602Y Water raiser |
01/03/1996 | CN2216601Y Water raiser |
01/02/1996 | CA2014141C Fluid transmission line |
11/14/1995 | CA2057772C Spillway in case of exceptional floods for dams comprising at least two sluices |
09/12/1995 | US5449020 Elongated enclosure of large cross-section, and process for its manufacture |
09/08/1995 | WO1995023923A1 Controlled flow system of power production |
09/08/1995 | WO1995023895A1 Method and apparatus for focusing wave energy on collecting devices |
08/31/1995 | WO1995023259A1 Delivery of sea water using tidal movements |
07/12/1995 | CN2203320Y Pressure pro-pool deicing device |
06/29/1995 | WO1995017555A1 Wave energy transformer |
06/07/1995 | CN1103454A Hydro-electric power generating set using water wheel pump by exhaust and siphon |
05/11/1995 | DE4338103A1 Device for obtaining electric energy (power) with the aid of the kinetic energy of water waves |
04/05/1995 | EP0526448B1 Serpent sediment-sluicing system |
03/30/1995 | DE4332479A1 Water power installation for utilising small gradients |
03/30/1995 | DE4331955A1 Suction device on pumps |
03/29/1995 | CN2193381Y Power station water power sand discharge unit |
03/15/1995 | CN1100164A Hydro-electric generating system |
02/28/1995 | US5393418 Water intake, in particular for industrial installations |
02/09/1995 | WO1995004194A1 Method and structure for extracting ground water in an area with impounded aquifers or with aquifers situated at different altitudes |
02/08/1995 | CN1027600C Antiseep method for pressure leading water tunnel |
02/02/1995 | DE4325401A1 Method and plant for recovering energy from water power |
01/04/1995 | EP0631637A1 Method and apparatus for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water. |
11/22/1994 | CA2032275C Spillway weir for dams and like structures |
11/01/1994 | US5360290 Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump |
10/27/1994 | DE4418581A1 System for converting liquid surface-wave power to electrical power and vice versa |
10/26/1994 | CN1094110A Electric generation method by filling water |
10/06/1994 | DE4322980A1 Power station, prefabricated unit of the power station, and method of manufacturing it |
07/19/1994 | US5330289 Serpent sediment-sluicing system |
07/06/1994 | EP0604432A1 Gravitational window shutter for hydro-pneumatic current flow harnessing system |
06/08/1994 | EP0600319A1 Method of constructing a water conduit through a barrier, in particular from concrete, under water pressure |
03/02/1994 | CN1083167A 拱形结构 Arch |
03/02/1994 | CN1083166A 拱形结构 Arch |
02/23/1994 | CN1082649A Stepped hydroelectric system |
02/09/1994 | CN1023723C Spillway for discharging extraordinary floods at dams having at least two floods discharge structures |
02/09/1994 | CN1023722C Overflow spillway for dams structure |
02/08/1994 | US5284402 System for the manufacture and installation of selective intake towers in reservoirs |
02/02/1994 | EP0580688A1 Wave energy converter |
01/05/1994 | DE4221657A1 Totally submerged hydro-electricity generation plant - uses water turbine with peripheral cups within turbine housing leading to water-tight sump at lower level |
11/24/1993 | CN1078770A 波能转换器 Wave Energy Converter |
10/26/1993 | US5255999 Water-level control device |
09/24/1993 | CA2091951A1 Apparatus for lifting up water using the ocean tide energy to do so |
08/26/1993 | DE4205160A1 Water-driven generation plant - has reservoir with input and output sluices and vertically moving float inside coupled to generator |
07/29/1993 | DE4202092A1 Tidal power generator - uses plastic truncated cone anchored to sea-bed with turbine driven by internal airflow caused by tide |
07/27/1993 | US5230215 Ocean current power generation system |
07/08/1993 | WO1993013344A1 Elongated housing of large cross-section and its fabrication method |
07/08/1993 | CA2110902A1 Elongated housing of large cross-section and its fabrication method |
06/29/1993 | US5222833 Shutter for hydro-pneumatic current flow harnessing system |
06/09/1993 | EP0545885A1 Small water power plant using bulb turbine |
06/08/1993 | US5217324 Dynamic breakwater and pumping system |
05/28/1993 | EP0631637A4 Method and apparatus for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water. |
04/27/1993 | CA1316675C Method of assembling wound rotor of vertical type adjustable speed hydroelectric rotating machine at its installation site |
03/23/1993 | US5195846 Spillway for discharging extraordinary floods at dams having at least two flood discharge structures |
02/10/1993 | EP0527075A1 Water-intake, particularly for industrial installation |
02/10/1993 | EP0526448A1 Serpent sediment-sluicing system. |
02/09/1993 | US5184915 Apparatus for lifting up water using the ocean tide energy to do so |
02/03/1993 | CN1068616A Anti percolation method for water guiding tunnel by fracture control |
01/19/1993 | US5180254 Fluid-conveying conduit |
01/19/1993 | US5180253 Arrangement of prestressing tendons in a pressure tunnel |
12/16/1992 | EP0518802A1 System for the manufacture and installation of selective intake towers in reservoirs |
12/13/1992 | CA2071018A1 System for the manufacture and installation of selective intake towers in reservoirs |
11/12/1992 | WO1992019812A1 Gravitational window shutter for hydro-pneumatic current flow harnessing system |
11/03/1992 | US5160036 Automatic pollution containment and alert apparatus for liquid drainages |
10/29/1992 | WO1992018704A3 Wave energy converter |
10/22/1992 | DE4112639A1 Tidal pumping plant., esp for coastal oil spill collection , or as barrier - has floating barrier and guide members for light liquids, including specifically shaped pump housing with mixt. inlet in upper front face, 2-part extendable mixt. run-up ramp etc. |
10/18/1992 | WO1992018704A2 Wave energy converter |
10/18/1992 | CA2108577A1 Wave energy converter |
09/09/1992 | CN1064330A Floating water intake |
08/26/1992 | EP0500270A2 Floating water-intake |
07/22/1992 | CN1062942A Spillway for discharging extraordinary floods at dams having at least two floods discharge structures |
07/01/1992 | EP0493183A1 Spillway for exceptional floods for barrages comprising et least two spillways |
05/19/1992 | US5113889 Floating intake for transport of liquid from a fixed depth below the surface of a reservoir |
03/18/1992 | CN2099142U Swirl type silting up preventing device for conduit |
03/04/1992 | EP0473539A1 Arrangement of tension cables in a pressure gallery |
01/07/1992 | US5078542 Apparatus to prevent the entrance of aquatic species into the intake watercourse |
12/24/1991 | US5074710 Water gate array for current flow or tidal movement pneumatic harnessing system |