Alternative electricity production
Alwarid wheel
Amplified weight compressor
An apparatus and a method for regulation of the energy...
An apparatus for generating power from a fluid stream
An apparatus for generating power from a fluid stream
An apparatus for harvesting energy from a body of water and...
An arrangement for converting kinetic energy of ocean...
An auxiliary propeller rotor for horizontal wind turbine...
An axial bearing for a shaft, especially for the shaft of a...
An economical method for greatly increasing the power from a...
An energy generating system using a plurality of waterwheels
An energy storage system
An enhanced method of controlling the output of a...
An improved hydro turbine
An improved method of transporting and storing wind...
An impulse turbine
An innovative renewable energy device for pumping sea water...
An installation comprising a wave power apparatus and a...
An offshore wind turbine with liquid-cooling