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Class Information
Number: 405/78
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Extracting power from moving fluid > Associated with dam
Description: Method or apparatus wherein the energy is extracted by means which is within or adjacent to an artificial barrier constructed to control the flow or raise the level of the body of water.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8648487 Shaft power plant Feb. 11, 2014
8414223 Intelligent hydroelectric dam with power storage Apr. 9, 2013
8333534 Method and apparatus for improved hydropower system Dec. 18, 2012
8262315 Hydroelectric generating station and method of constructing same Sep. 11, 2012
8182674 Solid particle separator device and a hydraulic installation including such a device May. 22, 2012
8128318 Tide change apparatus Mar. 6, 2012
8125096 Hydro turbine generator Feb. 28, 2012
8093743 Plant for the production of electric power from the movement of waves Jan. 10, 2012
8011854 Fish passage apparatus with hydroelectric power generator and method Sep. 6, 2011
7887258 Intake apparatus for dams Feb. 15, 2011
7837411 Methods and apparatus for improved hydropower system Nov. 23, 2010
7785037 Spillway hydroelectric turbine Aug. 31, 2010
7478974 Apparatus for hydroelectric power production expansion Jan. 20, 2009
7275891 Apparatus for controlling underwater based equipment Oct. 2, 2007
7061135 Device for generation of electrical power Jun. 13, 2006
7012341 Electric power generator equipment Mar. 14, 2006
6930407 Method for producing a hydropower plant Aug. 16, 2005
6641327 Water turbine arrangement Nov. 4, 2003
6575662 Water quality management system and method Jun. 10, 2003
6554535 System for protecting coastal land from rise of surface of the sea Apr. 29, 2003
6283673 Method of protecting coastal land from rise of surface of the sea Sep. 4, 2001
6281597 Hydroelectric installation and method of constructing same Aug. 28, 2001
6146096 Bulb turbine system Nov. 14, 2000
5882143 Low head dam hydroelectric system Mar. 16, 1999
5800077 Method and apparatus for monitoring a hydroelectric facility trash rack Sep. 1, 1998
5754446 Method and apparatus for optimizing performance of a kaplan turbine May. 19, 1998
4998846 Concrete dam bottom discharge works Mar. 12, 1991
4941771 Hydroelectric plant Jul. 17, 1990
4772157 Liquid level control system and method of operating the same Sep. 20, 1988
4771699 Device for cable transport Sep. 20, 1988
4746244 Apparatus for the generation of hydroelectric power and method of manufacturing and installing same May. 24, 1988
4573827 Laterally movable powerhouse Mar. 4, 1986
4569200 Control apparatus for tidal turbine Feb. 11, 1986
4540313 Apparatus for the generation of hydroelectric power and method of manufacturing and installing same Sep. 10, 1985
4488835 Penstock fish diversion system Dec. 18, 1984
4476396 Low-head hydroelectric generation system Oct. 9, 1984
4468153 Symmetric tidal station Aug. 28, 1984
4464080 High volume tidal or current flow harnessing system Aug. 7, 1984
4437017 Arrangement for hydroelectric power plants Mar. 13, 1984
4364228 Hydraulic turbine system with siphon action Dec. 21, 1982
4352989 Hydromotive set Oct. 5, 1982
4345159 Hydropowered bulkhead Aug. 17, 1982
4326819 Functionally transformable hydrostation Apr. 27, 1982
4319142 Power generation unit for spillway gate structures Mar. 9, 1982
4317330 Water turbine generator system Mar. 2, 1982
4311410 Self commanded hydrostation Jan. 19, 1982
4289971 Electric power generation equipment incorporating bulb turbine-generator Sep. 15, 1981
4279539 Dam with transformable hydroenergetic arrangement Jul. 21, 1981
4216655 Wave-operated power plant Aug. 12, 1980
4211077 Hybrid hydrostatic-pneumatic power generation system Jul. 8, 1980

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