| 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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| 06/09/1999 | EP0921308A2 Submerged water turbine set in dam |
| 06/03/1999 | WO1999027251A1 Device for producing electrical energy from hydrodynamic power |
| 06/02/1999 | CN1218139A Assembled waving pump |
| 06/01/1999 | US5909060 Installation for extracting energy from a liquid |
| 05/19/1999 | CN1217046A Wave energy converter |
| 05/06/1999 | WO1999022137A1 Wave energy converter |
| 05/05/1999 | CN2317331Y Airbag seawave breakwater power generator |
| 05/05/1999 | CN2317330Y Rotary sailing type electric generator |
| 04/29/1999 | WO1999020896A1 Method and arrangement for converting kinetic energy of ocean currents into rotatory energy |
| 04/28/1999 | EP0788584B1 Cooling system for a generator in a tank surrounded by running water |
| 04/21/1999 | EP0909365A1 Tidal current energy converter |
| 03/31/1999 | EP0904464A1 Wave energy converter |
| 03/31/1999 | CN2312341Y Submerged water wheel electric generator |
| 03/31/1999 | CN1212746A Helical penstock |
| 03/30/1999 | US5889336 Power generating installation |
| 03/25/1999 | WO1999014489A1 Wave-energy chain-driven power generator |
| 03/23/1999 | US5886417 Electrical power generating installation and method of operating same |
| 03/23/1999 | CA2135178C Sea wave-power generation device |
| 03/18/1999 | WO1999013238A1 Machine for producing kinetic energy |
| 03/18/1999 | WO1999013218A1 Sea-wave power plant |
| 03/18/1999 | CA2303076A1 Machine for producing kinetic energy |
| 03/17/1999 | CN1210942A Method for hydraulic circular energy storage power generation |
| 03/17/1999 | CN1210941A Planar horizontal hydrogenerator |
| 03/16/1999 | US5882143 Low head dam hydroelectric system |
| 03/11/1999 | WO1999011926A1 Device for energy conversion from wave movement |
| 03/11/1999 | WO1999011925A1 Pyramidal machine |
| 03/11/1999 | DE19633590A1 Procedure and device for extracting wave energy |
| 03/11/1999 | CA2307893A1 Pyramidal machine |
| 03/10/1999 | CN2310168Y Miniature water conservancy generator |
| 03/03/1999 | CN1209505A Two-directional tide water-turbine of automatically orientatedly rotating blade-dam |
| 03/02/1999 | US5876182 Apparatus and method for preventing laminar boundary layer separation on rotor blades of axial turbomachinery |
| 02/25/1999 | DE19833523A1 Bouyancy power appliances to generate electricity |
| 02/24/1999 | EP0897476A1 Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method |
| 02/24/1999 | EP0897472A1 Wave energy converter |
| 02/24/1999 | EP0897471A1 Wave energy converter |
| 02/17/1999 | CN1208124A Floating-box power generating method |
| 02/16/1999 | US5872406 Tidal generator |
| 01/28/1999 | DE19726504A1 Wave-breaking sea swell converter |
| 01/27/1999 | EP0892890A2 Apparatus for generating electric power using wind force |
| 01/27/1999 | EP0892889A1 Submerged hydropneumatic wave energy converter |
| 01/27/1999 | CN1206073A Buoy type wave energy converter and its manufacture |
| 01/26/1999 | US5864183 Power generating unit |
| 01/21/1999 | WO1999002853A1 Stream turbine |
| 01/21/1999 | WO1999002783A1 System for protecting coastal land from rise of surface of the sea |
| 01/12/1999 | US5857480 Water purging system |
| 01/10/1999 | CA2241686A1 Multiple tidal pumped storage power generation arrangement and method of constructing the same at tidal power site |
| 12/30/1998 | CN1203312A Casing vane counter-rotating generator floating surge power station and step rolling water power station |
| 12/30/1998 | CA2209361A1 Water reservoir system for collecting water flow energy for generating electricity |
| 12/29/1998 | US5854516 Method and apparatus for generating electric power using wave force |
| 12/24/1998 | DE19635519A1 Water power plant consisting of three or more towers using Pelton wheels |
| 12/10/1998 | WO1998055765A1 Double action piston pump system for irrigation purposes using energy of runnig water |
| 12/10/1998 | WO1998055764A1 Wave energy device |
| 12/09/1998 | CN1201503A Air lift tpype power generating and water purifying apparatus |
| 12/01/1998 | US5842838 Stable wave motor |
| 11/25/1998 | EP0736123B1 Wave energy transformer |
| 11/25/1998 | CN1199822A Sea wave power generator |
| 11/19/1998 | DE19720700A1 Electrical energy storage method using potential energy |
| 11/18/1998 | EP0877861A1 Helical penstock |
| 11/12/1998 | WO1998050696A1 System for conversion of wave energy |
| 11/12/1998 | CA2289092A1 System for conversion of wave energy |
| 11/10/1998 | US5834853 Sea/river powered power plant |
| 11/04/1998 | CN1197890A Water level raising technology utilizing water buoyancy as prime power |
| 10/22/1998 | WO1998046876A1 Fuel injector and method using two, two-way valve control valves |
| 10/22/1998 | CA2286704A1 Fuel injector and method using two, two-way valve control valves |
| 10/20/1998 | US5825094 Hydroelectric power generating module |
| 10/07/1998 | EP0868607A1 Wave energy generator including an oscillating gate and a piston pump |
| 10/07/1998 | CN1195430A Arrangement in bulb generator |
| 10/01/1998 | WO1998026177A3 Apparatus for generating electric power using wind force |
| 09/29/1998 | US5814921 Frequency multiplying piezoelectric generators |
| 09/24/1998 | WO1998041758A1 Apparatus for conversion of energy from the vertical movement of seawater |
| 09/23/1998 | CN1193691A Turbine for pump |
| 09/16/1998 | EP0864747A2 Closing control for multiple pump-turbines operating in parallel |
| 09/15/1998 | US5808368 Ocean wave energy conversion device |
| 09/12/1998 | CA2199781A1 Hydraulic engines with at least two counterrotating runners |
| 09/11/1998 | WO1998039205A1 Undulating propeller using the energy generated by pitching of the vessel |
| 09/09/1998 | CN1192505A Engine driven by using wave energy |
| 08/13/1998 | DE19703565A1 Current generation system utilising the flow velocity of liquid |
| 08/04/1998 | US5789826 Equipment to extract ocean wave power |
| 07/30/1998 | WO1998032967A1 Wave energy converter |
| 07/22/1998 | CN1188526A Helical turbine for power and propulsion systems |
| 07/14/1998 | US5780935 Hydropowered turbine system |
| 07/08/1998 | CN1186906A Tidal power generating equipment |
| 07/01/1998 | EP0850507A1 Arrangement in a bulb generator |
| 07/01/1998 | EP0766787A4 Cushioned dual-action constant speed wave power generator |
| 07/01/1998 | CN1186163A Bidirectional tidal energy accumulation for power generator |
| 06/25/1998 | WO1998027336A1 Device for generating electricity with bladed wheel for boat or the like |
| 06/24/1998 | CN1185527A Artificial tidal-energy generating method |
| 06/24/1998 | CN1185526A Wave-type hydrolic generator group |
| 06/23/1998 | US5770893 Wave energy device |
| 06/23/1998 | US5769177 Hydro electric vehicle drive system |
| 06/18/1998 | WO1998026177A2 Apparatus for generating electric power using wind force |
| 05/22/1998 | WO1998021473A1 Ocean wave energy extraction |
| 05/19/1998 | CA2097300C Fluid energy conversion apparatus |
| 05/14/1998 | WO1998020254A1 Tidal energy converter |
| 05/14/1998 | WO1998020253A1 Stable wave motor |
| 05/06/1998 | CA2189697A1 Tide water electric energy |
| 05/05/1998 | CA2144492C Two phase flow turbine |
| 04/30/1998 | WO1998017911A1 Wave energy generator including an oscillating gate and a piston pump |
| 04/29/1998 | CN1180140A Composite rotary hydroturbine |
| 04/29/1998 | CN1180139A Suction electric generator |