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Class Information
Number: 405/75
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Extracting power from moving fluid
Description: Method or apparatus for the extraction of energy from a moving body of water.










Sub-classes under this class:

Class Number Class Name Patents
405/78 Associated with dam 61
405/76 Wave or tide 78


Patents under this class:
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Patent Number Title Of Patent Date Issued
8690477 System and method for generating energy from subsurface water currents Apr. 8, 2014
8662792 Seat portion structure for a hydraulic turbine engine Mar. 4, 2014
8651766 Wind, solar and hybrid wind-solar water circulation and aeration methods and apparatus Feb. 18, 2014
8585320 Electrical power generating system with storage system and methods for use therewith Nov. 19, 2013
8573890 Marine power generator deployment and retrieval system Nov. 5, 2013
8550746 Electrical power generating system Oct. 8, 2013
8521452 Liquid level determination system Aug. 27, 2013
8376656 Electrical power generating system with storage system and methods for use therewith Feb. 19, 2013
8340929 Liquid level determination system and associated methods Dec. 25, 2012
8333534 Method and apparatus for improved hydropower system Dec. 18, 2012
8277146 Wave power plant Oct. 2, 2012
8262315 Hydroelectric generating station and method of constructing same Sep. 11, 2012
8215871 Tideway anchor system Jul. 10, 2012
8182674 Solid particle separator device and a hydraulic installation including such a device May. 22, 2012
8147167 Waste water electrical power generating system with storage system and methods for use therewith Apr. 3, 2012
8147168 Waste water electrical power generating system Apr. 3, 2012
8083438 Mechanically produced thermocline based ocean temperature regulatory system Dec. 27, 2011
8011854 Fish passage apparatus with hydroelectric power generator and method Sep. 6, 2011
8002499 Waste water electrical power generating system Aug. 23, 2011
7976245 Mooring Jul. 12, 2011
7946789 Waste water electrical power generating system with storage system and methods for use therewith May. 24, 2011
7866919 System and method for controlling water flow between multiple reservoirs of a renewable water and energy system Jan. 11, 2011
7845880 Systems and methods for harnessing wave energy Dec. 7, 2010
7837411 Methods and apparatus for improved hydropower system Nov. 23, 2010
7802942 Waste water electrical power generating system Sep. 28, 2010
7785037 Spillway hydroelectric turbine Aug. 31, 2010
7744309 Hydraulic power generating system Jun. 29, 2010
7632040 Waste water electrical power generating system with storage system and methods for use therewith Dec. 15, 2009
7611307 Apparatus for controlling underwater based equipment Nov. 3, 2009
7585131 Wave power station Sep. 8, 2009
7478974 Apparatus for hydroelectric power production expansion Jan. 20, 2009
7470086 Submersible tethered platform for undersea electrical power generation Dec. 30, 2008
7452160 Waste water electrical power generating system Nov. 18, 2008
7441988 Submerged power generating apparatus Oct. 28, 2008
7429147 Anti-flooding device for the exploitation of water energy Sep. 30, 2008
7357599 Waste water electrical power generating system Apr. 15, 2008
7275891 Apparatus for controlling underwater based equipment Oct. 2, 2007
7153060 Systems and methods for environmental stabilization of a body of water Dec. 26, 2006
7067935 Method for regulating the level of a dam installation and dam installation implementing the method Jun. 27, 2006
7037058 Resin embedded rock bolt May. 2, 2006
7033111 Hydraulic power generating system Apr. 25, 2006
6863806 Barge-mounted tidal-powered desalinization system Mar. 8, 2005
6641327 Water turbine arrangement Nov. 4, 2003
6472768 Hydrokinetic generator Oct. 29, 2002
6451204 Ocean power plant inlet screen Sep. 17, 2002
5882143 Low head dam hydroelectric system Mar. 16, 1999
5499889 Wave power generator Mar. 19, 1996
5217324 Dynamic breakwater and pumping system Jun. 8, 1993
4998846 Concrete dam bottom discharge works Mar. 12, 1991
4941771 Hydroelectric plant Jul. 17, 1990

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