| Patents for F03B 13 - Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates (15,575) |
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| 04/05/1990 | WO1990003516A1 Multiple gaseous phase system tide range power generation method |
| 04/04/1990 | EP0361333A1 Water turbine, particularly for use in domestic commodities |
| 04/04/1990 | EP0361332A1 Water turbine, particularly for use in domestic commodities |
| 04/04/1990 | CN1007444B Hydro-pneumatic hydraulic motor |
| 03/28/1990 | CN1007367B Apparatus for deriving energy from variation of level of body of fluid |
| 03/21/1990 | CN1040659A Runoff collector |
| 03/07/1990 | CN1040251A Integrated hydroelectric power station |
| 02/21/1990 | CN1039878A Hydraulic engine |
| 01/23/1990 | CA1264641A1 Turbine |
| 01/17/1990 | CN1006486B Apparatus for generating electricity by wave force |
| 01/09/1990 | CA1264268A1 Apparatus for deriving energy from variation of the level of a body of fluid |
| 12/14/1989 | DE3820126A1 Domestic water systems |
| 11/30/1989 | WO1989011592A1 Apparatus utilizing fluid currents to compress air for power generation |
| 11/30/1989 | DE3912943A1 Intermittent-motion mechanism for rarely used sources of energy |
| 11/28/1989 | US4883411 Wave powered pumping apparatus and method |
| 11/16/1989 | WO1989011036A1 Installation for converting the kinetic energy of waves to mechanical energy |
| 11/09/1989 | DE3813958A1 Wasserkraftmaschine Hydraulic machine |
| 11/08/1989 | EP0224514B1 Portable hydro-electric generator unit |
| 11/02/1989 | WO1989010482A1 A method of converting energy in a stream of moving liquid |
| 11/02/1989 | WO1989010481A1 Hydraulic engine |
| 11/02/1989 | EP0339246A1 A method of converting energy in a stream of moving liquid |
| 10/26/1989 | DE3812828A1 Apparatus for utilising the kinetic energy of sea waves |
| 10/26/1989 | DE3811488A1 Method for utilising the tidal lifting for energy generation and power station for carrying out the method |
| 10/18/1989 | CN1036436A Float bowl-type water turbine |
| 10/18/1989 | CN1036423A Dynamic energy output method of natural flow force of wave in river or sea and its hinge-type water turbine |
| 10/11/1989 | CN2045784U Flow thrust generating raft |
| 10/10/1989 | US4872309 Phase control mechanism for wave energy conversion |
| 09/26/1989 | CA1260802A1 Energy storage and recovery |
| 09/26/1989 | CA1260801A1 Energy storage and recovery |
| 09/26/1989 | CA1260761A1 Metering pump |
| 09/21/1989 | WO1989008793A1 Closed system, standpipe operated hydroelectric power plant |
| 09/21/1989 | WO1989008779A1 Procedure for energy production in power plants installed in a room under the water surface of a head store |
| 09/20/1989 | EP0332766A1 System for regaining energy from a supply system |
| 09/20/1989 | CN1035695A Low head supercharged hydraulic power station and supercharger |
| 09/05/1989 | US4864152 Floating tidal power station for placing in sea and river currents for gaining energy |
| 08/30/1989 | CN2043674U Water turbine using wave energy |
| 08/22/1989 | US4859866 Water turbine arrangement for power generation using tidal energy |
| 08/22/1989 | US4858434 Wave-activated power generator |
| 08/10/1989 | WO1989007197A1 Wave generator |
| 08/02/1989 | CN1034411A Swing plate type electric generating equipment using wave energy |
| 07/25/1989 | US4851704 Wave action electricity generation system and method |
| 07/19/1989 | CN2041366U Radial flow fluid collecting device |
| 07/19/1989 | CN1034040A Fluid powered motor-generator apparatus |
| 07/13/1989 | WO1989006315A1 Apparatus for converting ocean motion to useable energy |
| 07/04/1989 | US4845376 Buoyant gas activated hydroelectric generator |
| 06/27/1989 | US4843250 Wave action power generator |
| 06/27/1989 | US4843249 Hydroelectric system |
| 06/27/1989 | US4842560 Wave powered propulsion system for watercraft |
| 06/15/1989 | WO1989005401A1 Wave driven power generation system |
| 06/13/1989 | CA1255779A1 Ultrasonic flow-control system |
| 05/31/1989 | CN2038558U Sail type fluid engine |
| 05/31/1989 | CN2038557U Electric power generating ship driven by river |
| 05/17/1989 | CN2037892U Small-flow domestic hydroelectric generator |
| 05/10/1989 | EP0314765A1 Apparatus for recovering the inherent kinetic energy from waves |
| 05/09/1989 | US4829196 Energy-saving pressure reducer |
| 05/03/1989 | CN2037004U Horizontal rotary and vertical blade type fluid engine |
| 05/03/1989 | CN1032695A Compound type electricity generation device |
| 04/12/1989 | CN2035804U Vertical single-phase alternating-current permanent magnetic water turbine-generator |
| 03/28/1989 | US4815286 Air flow check valve and system incorporating the same |
| 03/22/1989 | CN2034624U Micromodule of water turbogenerator |
| 03/22/1989 | CN1031880A Hydromotive machine apparatus and method of constructing same |
| 03/07/1989 | US4809510 Flowline power generator |
| 03/07/1989 | US4809382 Hand spray with a set of rotating brushes |
| 02/28/1989 | US4808837 Submersible electrical power supply |
| 02/28/1989 | US4808029 System for subterranean storage of energy |
| 02/28/1989 | US4807437 Closed system, standpipe operated hydroelectric power plant |
| 02/28/1989 | CA1250437A1 Energy storage and recovery |
| 02/14/1989 | US4804855 Hydromotive machine apparatus and method of constructing the same |
| 02/14/1989 | US4803839 Apparatus for converting ocean motion to useable energy |
| 02/09/1989 | DE3724351A1 Utilisation of alternative sources of energy--including tidal energy---by means of a hydraulic compressor, hydraulic accumulator, hydraulic heat pump, and hydraulic distillation |
| 01/26/1989 | WO1989000646A1 Hydromotive machine apparatus and method of constructing the same |
| 01/24/1989 | CA1249185A1 Rotor system, particularly a boat propeller system |
| 01/19/1989 | DE3723002A1 Wave generator |
| 01/10/1989 | US4796427 Method of imparting energy to liquids |
| 01/10/1989 | CA1248430A1 Energy converter |
| 01/10/1989 | CA1248364A1 Down-hole devices for imparting rotary motion |
| 01/05/1989 | DE3720872A1 Tidal power station |
| 01/04/1989 | CN2030262U Dual-purpose generator for wind-force and waterpower |
| 12/29/1988 | WO1988010368A1 Macro-engineering process for all-weather at-sea wind-energy extraction |
| 12/28/1988 | EP0176547B1 Hydropneumatic hydroelectric power plant |
| 12/22/1988 | DE3826103A1 Wave power-station, mounted on a ship, which transmits the up and down movement of the waves, via a single-cylinder oil-hydraulic pump, to an oil-hydraulic motor which drives the generator |
| 12/21/1988 | CN88102221A Making use of running water to do work for power generation boat |
| 12/20/1988 | US4792290 Wave actuated pump apparatus |
| 12/07/1988 | CN87105209A Wave energy converting device with springing blades |
| 12/01/1988 | WO1988009414A1 Apparatus for recovering the inherent kinetic energy from waves |
| 11/30/1988 | EP0292545A1 Floating power plant to be placed in seas and rivers for gaining energy. |
| 11/17/1988 | WO1988008930A1 Arrangement utilising pressures for producing power |
| 11/16/1988 | CN88212874U Hydroelectric generating device |
| 11/08/1988 | US4782663 Pneumatic hydro-electric power conversion system |
| 11/03/1988 | DE3805434A1 Wave power station |
| 11/03/1988 | DE3805433A1 Converter |
| 11/02/1988 | EP0274528A4 Ocean wave energy conversion using piezoelectric material members. |
| 11/01/1988 | US4781023 Wave driven power generation system |
| 10/25/1988 | US4779575 Liquid friction heating apparatus |
| 10/11/1988 | US4776772 Apparatus for converting and storing wave energy |
| 10/06/1988 | EP0222826A4 Method and means for imparting energy to fluid. |
| 10/05/1988 | CN86104768A Oceanic wave energy receiver |
| 09/28/1988 | EP0272319A4 A fluid powered motor-generator apparatus. |
| 09/27/1988 | US4773221 Apparatus for recovering the kinetic energy of sea waves |
| 09/20/1988 | US4771699 Device for cable transport |