| 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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| 08/04/2004 | EP1443181A2 Turbine wheel for high speed rotary tools |
| 08/04/2004 | CN2630514Y Running water power water turbine |
| 07/29/2004 | WO2004063562A1 System for multiple harnessing and complemented conversion of energy from sea waves |
| 07/28/2004 | EP1441125A1 Hydraulic turbine with siphon action |
| 07/28/2004 | EP1440240A1 Generator for a hydro-electric station |
| 07/28/2004 | CN1159523C Tidal-energy electric generator set and its electric generation method |
| 07/27/2004 | US6768218 Small hydroelectric power generator |
| 07/27/2004 | US6768217 Wave energy converter system of improved efficiency and survivability |
| 07/27/2004 | US6768216 Wave energy converters utilizing pressure differences |
| 07/27/2004 | US6766643 Wind and wave energy plant |
| 07/22/2004 | WO2004061296A1 Valve and related methods for reducing fluid pressure and generating power |
| 07/22/2004 | WO2004061294A2 Underwater wave/energy transducer |
| 07/22/2004 | WO2004060809A2 Extracting energy from non-potable water of a sewer process |
| 07/21/2004 | EP1439306A1 Wave energy converter |
| 07/20/2004 | US6765308 Hydro-energy conversion system |
| 07/20/2004 | US6765307 Wave energy converter (WEC) |
| 07/15/2004 | US20040134190 Gyro wave activated power generator and a wave suppressor using the power generator |
| 07/14/2004 | EP1436505A1 Switched resonant power conversion electronics |
| 07/14/2004 | EP1436504A1 Power generator and turbine unit |
| 07/08/2004 | US20040131479 Buoyancy pump power system |
| 07/07/2004 | EP1220988B1 Hydro-power generation for a water treatment system |
| 07/07/2004 | CN2623897Y Water power generating and flow quantity detecting apparatus for gas water heater |
| 07/06/2004 | US6759757 Method and apparatus for converting tidal power into electrical energy |
| 07/06/2004 | US6758295 Turbine generator regenerative braking system |
| 07/01/2004 | WO2004055363A1 Wave powered pump assembly |
| 07/01/2004 | US20040126223 Valve and related methods for reducing fluid pressure and generating power |
| 06/30/2004 | CN1509373A Wind powered hydoelectric power plant and method of operation thereof |
| 06/29/2004 | US6756695 Method of and apparatus for wave energy conversion using a float with excess buoyancy |
| 06/23/2004 | EP1430220A2 Underwater ducted turbine |
| 06/23/2004 | CN1506574A Attraction locating power generation system |
| 06/17/2004 | US20040115047 Hydraulic turbine with increased power capacities |
| 06/17/2004 | US20040112805 Extracting energy from non-potable water of a sewer process |
| 06/16/2004 | CN1153904C Siphonic power generating system capable of desilting and collecting sand and stone and floating object of reservoir |
| 06/10/2004 | WO2004048774A1 Supporting structures for water current (including tidal stream) turbines |
| 06/10/2004 | WO2004048773A1 Hydraulic wheel |
| 06/10/2004 | CA2506553A1 Hydraulic wheel |
| 06/09/2004 | EP1425510A2 Apparatus and method for optimizing the power transfer produced by a wave energy converter (wec) |
| 06/08/2004 | US6747363 Floating platform harvesting sea wave energy for electric power generation |
| 06/08/2004 | US6745566 Hydroelectric power cycle having buoyant rack |
| 06/03/2004 | US20040103658 Fluid wave electric generator system |
| 06/02/2004 | EP1423605A1 Method of and apparatus for wave energy conversion using a float with excess buoyancy |
| 05/27/2004 | WO2004044416A1 Plant for converting energy of waves and swell |
| 05/27/2004 | WO2004043576A1 Desalination device |
| 05/27/2004 | US20040101397 Low head water turbine |
| 05/26/2004 | CN1498869A Power generation and making fertilizer system based on sludge treatment |
| 05/26/2004 | CN1498862A Power generation system based on sewerage treatment |
| 05/25/2004 | CA2410708A1 Waterfall hydro electric |
| 05/20/2004 | US20040093862 Energy from water movement |
| 05/19/2004 | CN1150377C Axial flow hydraulic turbine electric generator system |
| 05/13/2004 | US20040089480 Downhole motor locking assembly and method |
| 05/12/2004 | EP1071881B1 A device comprising an elongated tubular body arranged to be located in water |
| 05/12/2004 | EP0927304B1 Extraction of energy from flowing fluids |
| 05/12/2004 | CN1496444A Energy generating system |
| 05/12/2004 | CN1495357A Energy transmission system for converting repeated seawave movement into electric energy |
| 05/12/2004 | CN1149334C Electric generating device using tidal range and water flow power |
| 05/06/2004 | EP1415087A1 Plant, generator and propeller element for generating energy from watercurrents |
| 05/04/2004 | US6731019 Apparatus and method for optimizing the power transfer produced by a wave energy converter (WEC) |
| 05/04/2004 | US6729843 Flow is redirected about the elbow of the draft tube; swirl flow is permitted around the splitter vane within the draft tube; efficiency; refrigerator door |
| 04/30/2004 | CA2408855A1 Ocean wave energy converter |
| 04/28/2004 | CN1492144A Sea wave generating system |
| 04/22/2004 | WO2004033900A2 Sea wave energy converter |
| 04/22/2004 | WO2004033899A1 Sea wave energy converter |
| 04/22/2004 | WO2004033898A1 Miniature hydro-power generation system |
| 04/22/2004 | DE10346166A1 Water powered system especially for mountain rivers, has intake pressure tube and power house sunk below ground in the river bed |
| 04/22/2004 | CA2505634A1 Buoyancy pump power system |
| 04/21/2004 | EP1409876A1 Potential energy storage system |
| 04/21/2004 | EP1409868A1 Wave energy converter using an oscillating mass |
| 04/21/2004 | CN1491318A Apparatus for production of energy from currents in bodies of water, foundation and method for installation of apparatus |
| 04/15/2004 | WO2004031575A1 Hydrogen production from hydro power |
| 04/15/2004 | US20040071565 Buoyancy pump device |
| 04/15/2004 | US20040070210 Apparatus for production of energy from currents in bodies of water, a foundation, and a method for the installation of the apparatus |
| 04/15/2004 | CA2501483A1 Hydrogen production from hydro power |
| 04/14/2004 | EP1364124A4 Improved wave energy converter (wec) |
| 04/13/2004 | US6718761 Wind powered hydroelectric power plant and method of operation thereof |
| 04/08/2004 | US20040066043 Hydrogen production from hydro power |
| 04/06/2004 | US6717284 Power generating machine with a bellows adaptable to sea waves so as to drive a generator |
| 04/01/2004 | WO2004027257A1 Apparatus for generating electrical power from tidal water movement |
| 04/01/2004 | US20040061338 Reciprocating generator wave power buoy |
| 04/01/2004 | DE20312348U1 Method for generating energy from wave motion with an anchored boat and a mechanical drive from an anchor chain |
| 04/01/2004 | CA2499260A1 Apparatus for generating electrical power from tidal water movement |
| 03/31/2004 | CN1485538A Integrated hydroelectric power station |
| 03/31/2004 | CN1143957C Power station using ocean currents |
| 03/30/2004 | US6711897 Installation of power generation by ocean wave |
| 03/24/2004 | EP1200731B1 Partial splitter vane for reaction hydraulic turbine |
| 03/24/2004 | CN1483945A Hydrogenorator with water lubricated bearing structuve |
| 03/20/2004 | CA2404410A1 Water-mist blower cooling system and its new applications |
| 03/18/2004 | US20040052634 Energy generating system |
| 03/18/2004 | DE10239644A1 Revolving cylinder engine for driving motor vehicles with compressed air or pressurized water has a closed circuit re-circulating system and a separate reserve energy feed |
| 03/17/2004 | CN1482355A Moving water pendulum electricity generating apparatus |
| 03/11/2004 | WO2004020821A1 A power generator using sea water |
| 03/11/2004 | US20040046396 Energy generating system using sea waves |
| 03/10/2004 | CN1141494C Energy reusing power mechanism for hydroelectric station |
| 03/09/2004 | US6702038 Hydraulic motor |
| 03/09/2004 | CA2266632C Extraction of energy from flowing fluids |
| 03/04/2004 | WO2003066971B1 Wave energy power plant |
| 03/03/2004 | EP1392972A1 Tidal/wave compressed air electricity generation |
| 03/02/2004 | US6700217 Apparatus for converting ocean wave motion to electricity |
| 02/26/2004 | DE10215923A1 Air pressure power station for applying a pulley block principle to generate electricity uses a cylinder with pistons, lifting rods in a chamber void of air and water tanks to drive a turbine |
| 02/26/2004 | DE10008661B4 Vorrichtung zur Umwandlung von Wellenenergie in elektrische Energie A device for converting wave energy into electric energy |
| 02/24/2004 | US6695536 Floating platform to obtain electric power from sea waves |