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Class Information
Number: 290/54
Name: Prime-mover dynamo plants > Fluid-current motors
Description: Prime-mover dynamo plants including a fluid current motor.










Sub-classes under this class:

Class Number Class Name Patents
290/55 Wind 1,605


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Patent Number Title Of Patent Date Issued
4849647 Floating water turbine Jul. 18, 1989
4845376 Buoyant gas activated hydroelectric generator Jul. 4, 1989
4829196 Energy-saving pressure reducer May. 9, 1989
4823018 Control system for variable speed water-wheel generator apparatus Apr. 18, 1989
4818888 Water-powered electricity generating apparatus Apr. 4, 1989
4816697 Portable hydroelectric power unit Mar. 28, 1989
4808837 Submersible electrical power supply Feb. 28, 1989
4804855 Hydromotive machine apparatus and method of constructing the same Feb. 14, 1989
4797563 Power plant Jan. 10, 1989
4767938 Fluid dynamic energy producing device Aug. 30, 1988
4755690 Hydroelectric power installation and turbine generator apparatus therefor Jul. 5, 1988
4754155 Hydroelectric generator having retractable runner Jun. 28, 1988
4748808 Fluid powered motor-generator apparatus Jun. 7, 1988
4746808 Portable hydroelectric generator unit May. 24, 1988
4742242 Buoyancy engine utilizing linked lifting bodies May. 3, 1988
4740711 Pipeline built-in electric power generating set Apr. 26, 1988
4739182 Hydropneumatic water engine Apr. 19, 1988
4731545 Portable self-contained power conversion unit Mar. 15, 1988
4730154 Variable inertia energy storage system Mar. 8, 1988
4730119 Sail-driven wind motor Mar. 8, 1988
4720640 Fluid powered electrical generator Jan. 19, 1988
4717832 Tidal and river turbine Jan. 5, 1988
4717831 Ocean and river power generator Jan. 5, 1988
4698516 Hydro-electric power plant Oct. 6, 1987
4691115 System for rotating a drive mechanism for power generation Sep. 1, 1987
4686376 Tide turbine Aug. 11, 1987
4678922 Air motor having integral generator Jul. 7, 1987
4677307 Process for the realization of cogenerative supply of electricity and heat (cogeneration), particularly in industrial power plants Jun. 30, 1987
4667115 Energy machine generating hydraulic energy May. 19, 1987
RE32404 Elevator with power recovery Apr. 21, 1987
4654537 Flowline power generator Mar. 31, 1987
4636141 Hydroelectric device Jan. 13, 1987
4628212 Oceano-thermosteric power plant Dec. 9, 1986
4622473 Wave-action power generator platform Nov. 11, 1986
4617991 Polymer flow control apparatus Oct. 21, 1986
4616298 Water-powered light Oct. 7, 1986
4613279 Kinetic hydro energy conversion system Sep. 23, 1986
4612447 Method and apparatus for converting human exercise energy to stored kinetic energy Sep. 16, 1986
4609826 Energy efficient apparatus Sep. 2, 1986
4607169 Artesian well generated power system Aug. 19, 1986
4599854 Adjustable draft tube Jul. 15, 1986
4598210 Water current motor Jul. 1, 1986
4593202 Combination of supercritical wet combustion and compressed air energy storage Jun. 3, 1986
4590386 Piggy back water power generator May. 20, 1986
4587435 Turbine May. 6, 1986
4564889 Hydro-light Jan. 14, 1986
4563591 Wave driven engine Jan. 7, 1986
4552507 Power transmission plant having pressure surfaces Nov. 12, 1985
4546264 Relating cellular energy generating and storage device Oct. 8, 1985
4535844 Method of using polymer flow control apparatus Aug. 20, 1985

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19










 
 
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