Falling wheel, chain motor
Fifth-force apparatus and method for propulsion
Fire protection
Fish friendly hydraulic turbine distributor
Fixed geometry self-starting transverse axis wind turbine
Fixed plasma motor
Fixture for gripping an end of a member
Flap-gate for discharge side of a turbine having no wicket...
Flashlight
Flexible shaft wind turbine
Float engine with weights
Float for sea wave energy conversion plant
Float for wave energy converter (wec)
Float type wave energy extraction apparatus
Floating cylinder wave energy conventor
Floating device for harnessing swell energy by lateral overflow
Floating device for production of energy from water currents
Floating platform for wind energy extraction
Floating tidal power plant to be placed in seas and rivers...
Floating water driven electric generator