Earth gravity powered electric generator

Power generating apparatus

Rotor blade, wind turbine, serration angle, environmental parameters

Method of retrofitting a wind turbine

Hydroelectric energy systems and methods

Vertical axis wind turbine apparatus and system

Vertical axis wind turbine apparatus and system

Bi-directional clutch for wind turbine yaw locking system

Wave power device

Articulating wave energy conversion system using a compound lever-arm barge

Power generator assembly

Offshore wind turbine

VANE ASSEMBLY FOR A FLUID DYNAMIC MACHINE AND PROPULSION DEVICE

Turbine for a flow power plant

Direct drive rotary wave energy conversion

BLADE ASSEMBLY FOR A MOBILE WIND TURBINE

System for generation energy from ocean wave movement

Wave energy conversion device

Wheel Turbine Rotor

LEVERAGE-MAXIMIZING VERTICAL AXIS RECIPROCATING BLADE HYDRO POWER GENERATOR

Wave power plant

APPARATUS FOR GENERATING POWER FROM A FLUID STREAM

Hybrid multi-element tapered rotating tower

System and method for converting ocean wave energy into electricity

Direct drive rotary wave energy conversion

Sectional vane for vertical axis wind power generator

Orientation device for water current power generating apparatus

Pelagic sustainable energy system

Oscillating Windmill

System and method for converting ocean wave energy into electricity

Generation of Electrical Power From Fluid Flows

Rotor blade