Patents for F03B 7 - Water wheels (847) |
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07/27/1988 | CN87210788U Float type water turbogenertor |
05/04/1988 | EP0157811B1 Energy converter |
02/02/1988 | US4722665 Turbine |
01/28/1988 | DE3621312A1 Gravitation reactor, gravitator for short, in imitation of a water wheel |
12/17/1987 | DE3620274A1 Water power plant with water wheel drive |
12/05/1987 | CN86208210U Water turbine with bag wheels |
07/14/1987 | US4679985 Energy converter |
04/09/1987 | DE3600254A1 Device for generating energy using a water wheel |
03/25/1987 | CN85106625A 能量转换器 Energy converters |
04/10/1986 | CN85108192A 涡轮机 Turbines |
04/01/1986 | CA1202545A1 Method and apparatus for generating hydroelectric power for low head waterways |
11/26/1985 | US4555218 Turbo machine of the rotodynamic type |
04/16/1985 | US4511808 Installation for exploiting water currents in flowing waters by means of a plurality of water wheels |
03/28/1985 | WO1985001325A1 Energy converter |
08/21/1984 | US4467217 Hydro-turbine |
04/12/1984 | WO1984001406A1 Turbo machine of the rotodynamic type |
04/03/1984 | US4440427 Resource efficient water power prime mover |
03/13/1984 | US4436480 For generating electricity from the flow of water through a channel |
11/22/1983 | US4416584 Ambient pressure water turbine |
05/31/1983 | US4385497 Propulsion system for water wheel |
05/17/1983 | CA1146445A1 Fluid-driven rotary engine |
04/19/1983 | US4380417 Installation operated with wind or water power |
01/18/1983 | US4369374 Wave-motion-driven power generator station |
01/11/1983 | US4368392 Water turbine |
01/04/1983 | CA1138779A1 Method and a device for deriving energy from a flow of fluid |
12/09/1982 | WO1982004289A1 Water turbine |
12/07/1982 | US4362469 Device for deriving energy from a flow of fluid |
04/01/1982 | WO1982001038A1 Installation for exploiting water currents by means of a plurality of water wheels |
03/24/1982 | EP0048004A1 Arrangement for harnessing the energy of flowing water in rivers |
03/18/1982 | WO1982000860A1 Ambient pressure water turbine |
09/01/1981 | US4286538 Multipurpose floating structure |
05/12/1981 | US4266402 Recirculating submersible turbine |
04/14/1981 | CA1099190A1 Hydro-electric generator |
03/18/1981 | EP0025251A1 A windmill |
03/03/1981 | US4253795 Water wheel with level compensating buckets |
06/03/1980 | US4205943 Hydro-electric generator |
10/09/1979 | US4170114 Recirculating submersible turbine |
09/18/1979 | CA1062584A1 System for utilizing energy in a fluid current |
03/06/1979 | CA1049893A1 Dual flow hydraulic system and control valve therefor |
06/20/1978 | US4095422 Vertical-axis composite swinging-blade water wheel |
11/08/1977 | US4057005 Dual flow hydraulic system and control valve therefor |
10/11/1977 | US4053787 Modular hydroelectric power plant |
08/30/1977 | US4045148 Turbine |
08/23/1977 | US4043702 Water wheel assembly |
10/05/1976 | US3984698 Waterwheel driven electrical generator |
08/31/1976 | US3978345 System for utilizing energy in a fluid current |
05/18/1976 | US3958130 Hydroelectric generating system |