| 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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| 08/30/1988 | US4767269 Rotor system, particularly a boat propeller system |
| 08/16/1988 | US4764087 Channel for feeding water to a vertical-axis kaplan water turbine |
| 08/03/1988 | CN87104287A Kinetic-energy compensation method |
| 08/02/1988 | US4760706 Method and system for current generation |
| 07/28/1988 | DE3803570A1 Floating structure for wave protection and wave-energy conversion |
| 07/20/1988 | EP0274528A1 Ocean wave energy conversion using piezoelectric material members. |
| 07/13/1988 | EP0274368A1 A rotary joint |
| 07/13/1988 | CN87107518A Ship-sinked type of electricity-generating ship |
| 07/13/1988 | CN87106849A Motor driven by wave-force & generating electricity |
| 07/12/1988 | US4756267 Tube mooring line |
| 07/05/1988 | US4755690 Hydroelectric power installation and turbine generator apparatus therefor |
| 07/05/1988 | CA1238860A1 Pneumatic hydro-electric power conversion system |
| 06/29/1988 | EP0272319A1 A fluid powered motor-generator apparatus. |
| 06/28/1988 | US4754157 Float type wave energy extraction apparatus and method |
| 06/16/1988 | WO1988004362A1 Floating tidal power plant to be placed in seas and rivers for gaining energy |
| 06/16/1988 | DE3740821A1 Water-power plant by means of cross-flow turbine, integrated rotary rake and retaining device |
| 06/16/1988 | DE3642060A1 Floating energy station |
| 06/07/1988 | US4749335 Rotary joint |
| 06/07/1988 | US4748808 Fluid powered motor-generator apparatus |
| 06/01/1988 | CN87208973U Liquid coupler using water as medium |
| 05/31/1988 | US4748338 Ocean wave energy extracting erosion reversal and power generation system |
| 05/24/1988 | US4746808 Portable hydroelectric generator unit |
| 05/24/1988 | US4746244 Apparatus for the generation of hydroelectric power and method of manufacturing and installing same |
| 05/11/1988 | DE3638129A1 Large diameter turbogenerator for generating electrical energy at high power |
| 05/11/1988 | DE3637564A1 Hydroelectric power plant with floating weir, cross-flow turbine and integrated rotary screen |
| 05/05/1988 | DE3637083A1 Barrier weir |
| 05/05/1988 | DE3633145A1 Obtaining electrical energy from ocean surface waves |
| 05/04/1988 | EP0265594A1 Float type wave energy extraction apparatus and method |
| 05/04/1988 | CN87200582U Wave power generator |
| 05/03/1988 | US4742241 Wave energy engine |
| 05/03/1988 | US4741157 Wave-activated power generating apparatus having a backwardly open duct |
| 04/26/1988 | US4740725 Hydraulic microturboalternator |
| 04/26/1988 | US4740711 Pipeline built-in electric power generating set |
| 04/20/1988 | CN87104861A Float type wave energy extraction apparatus and method |
| 04/19/1988 | US4739182 Hydropneumatic water engine |
| 03/22/1988 | CA1234329A1 Method and apparatus for absorbing wave energy and generating electric power by wave force |
| 03/15/1988 | US4731545 Portable self-contained power conversion unit |
| 03/15/1988 | US4731544 Method and apparatus for extracting surf and wave energy |
| 02/25/1988 | WO1988001321A1 Stepwise pumping-up hydroelectric apparatus |
| 02/11/1988 | DE3627130A1 Bladed wheel having automatically pivoting blades of different shapes |
| 02/10/1988 | CN86203806U Air-compressor driven by seawave |
| 01/28/1988 | WO1988000655A1 Ocean wave energy conversion using piezoelectric material members |
| 01/21/1988 | DE3624510A1 Flow generator for utilising ocean currents |
| 01/21/1988 | DE3622802A1 Wave-driven power-harnessing plant having a flood-controlled water accumulator set up for operating a buoyancy power-harnessing plant |
| 01/19/1988 | US4720640 Fluid powered electrical generator |
| 01/19/1988 | US4719754 Wave-activated power generating apparatus |
| 01/14/1988 | WO1988000297A1 A fluid powered motor-generator apparatus |
| 01/12/1988 | US4719158 Process and apparatus for converting rocking motion into electrical energy |
| 01/12/1988 | US4718452 Emergency potable water storage system |
| 01/12/1988 | US4718233 Solar power take off |
| 01/12/1988 | US4718231 Assembly for harnessing wave and tide energy |
| 01/07/1988 | DE3622285A1 Small power station for the simultaneous use of four (4) natural forces in flat seawater acting in consort |
| 01/07/1988 | DE3621138A1 Device for converting the kinetic energy of waves into a useful form of energy |
| 01/05/1988 | US4717832 For hydroelectric generation of power from flow of water |
| 01/05/1988 | US4717831 Ocean and river power generator |
| 12/30/1987 | CN86104088A River floating generator |
| 12/29/1987 | US4715791 Metering pump |
| 12/23/1987 | DE3620454A1 Wave-driven power station for use with sea waves |
| 12/22/1987 | US4714403 Down-hole devices for imparting rotary motion |
| 12/17/1987 | DE3619446A1 Apparatus for generating electrical current (power) |
| 12/12/1987 | CN86206959U Power generator using wave energy |
| 12/10/1987 | DE3618552A1 Hydroelectric power-generating systems |
| 12/02/1987 | EP0247690A1 A system for subterranean storage of energy |
| 11/19/1987 | EP0245574A1 Method to increase the electrical production of a tidal power plant |
| 11/18/1987 | CN87101803A Hydraulic closed circulated sea water thermoelectric method floating closed circulated sea water thermoelectric method |
| 11/12/1987 | DE3640470A1 Ecological electrical power source |
| 11/11/1987 | CN86108973A Float electric generator |
| 11/10/1987 | US4705117 Method and apparatus for reducing drill bit wear |
| 11/03/1987 | US4703621 For generating AC electrical energy from solar energy |
| 10/29/1987 | DE3719265A1 Wave power plant or rocking ship for generating electricity |
| 10/28/1987 | EP0243329A2 A device for transport of cable |
| 10/13/1987 | US4698969 Wave power converter |
| 10/07/1987 | CN86210488U Impeller with direction-fixed rotation by any direction liquid flow |
| 10/07/1987 | CN85105591A Siphon hydraulic generator installation |
| 10/06/1987 | US4698516 Hydro-electric power plant |
| 10/06/1987 | US4697984 Supporting structure for underwater structure |
| 09/10/1987 | DE3603201A1 Wave energy consumer |
| 09/08/1987 | US4691524 Energy storage and recovery |
| 09/02/1987 | CN86100514A 同步器 Synchronizer |
| 08/27/1987 | WO1987005078A1 Device for exploiting the wave energy of surface water and a wave power station which contains at least one such device |
| 08/12/1987 | CN86204211U High-pressure manipulator for hydraulic machinery |
| 08/11/1987 | US4686377 System for generating power from waves |
| 08/11/1987 | US4685296 Ocean wave energy conversion using piezoelectric material members |
| 08/04/1987 | US4684815 Power plant driven by waves |
| 08/04/1987 | US4683719 For use in energy production from ocean waves |
| 07/30/1987 | WO1987004401A1 Wave energy devices |
| 07/30/1987 | DE3602083A1 Turbine |
| 07/07/1987 | CA1223863A1 Downhole motor fluid flow restrictor |
| 07/02/1987 | DE3546373A1 Hydrodynamic drive by means of a two-stroke diesel engine with opposed free pistons and a hydraulic pump |
| 06/30/1987 | US4676716 Hydraulic multistage turbine of turbodrill |
| 06/23/1987 | US4675536 Apparatus for extracting energy from the waves in a body of liquid |
| 06/16/1987 | EP0225358A1 Hydraulic microturbolalternator |
| 06/10/1987 | EP0224514A1 Portable hydro-electric generator unit. |
| 06/10/1987 | EP0224506A1 Apparatus for deriving energy from variation of the level of a body of fluid |
| 06/09/1987 | US4672222 Ocean wave energy converter |
| 06/03/1987 | EP0224468A1 Bypass inlet and discharge control for the turbines of drum sprinkling devices |
| 05/27/1987 | EP0222826A1 Method and means for imparting energy to fluid |
| 05/27/1987 | DE3617076A1 Flow generator |
| 05/27/1987 | CN85108508A Pnumatic generator by natural forces |
| 05/21/1987 | WO1987003045A1 Apparatus for converting the energy in ocean waves into useful energy |