Means for utilizing power from streams
Mechanical overload system for wind generators
Mechanical power amplifier
Mechanical starter energized by engine operation
Mechanical stored energy positioning actuator
Mechanical work generating means
Mechanics of a suspended gravity-powered motorarel
Merrimack ii
Metal hydride actuator
Metering pump
Method and a device for deriving energy from a flow of fluid
Method and apparatus for a vacuum hydroelectric power...
Method and apparatus for a waterfall hydroelectric power...
Method and apparatus for absorbing wave energy and...
Method and apparatus for bringing a hydraulic turbine...
Method and apparatus for cleaning and de-icing wind turbine...
Method and apparatus for controlling windmill blade pitch
Method and apparatus for converting energy in a moving fluid...
Method and apparatus for converting energy in a moving fluid...
Method and apparatus for converting human power to...