A transmission belt speedup driving device of a wind power...
A turbine and a rotor for a turbine
A turbine driven electric power production system and a...
A variable catcher
A vertical windmill
A wave power apparatus and use of the apparatus as an...
A wave power apparatus comprising a plurality of arms...
A wave power apparatus having a float and means for locking...
A wave power unit, a buoy, use of a wave power unit and a...
A wave-power unit
A wave-power unit
A wave-power unit and the use of a wave-power unit for...
A wave-power unit, and a use of a such
A wheel motor
A wind energy converter, a method and use hereof
A wind energy converter, a wind turbine foundation, a method...
A wind energy engine and wind energy power system & wind...
A wind power generation apparatus
A wind power plant and a method for control
A wind power station