Arrangement for extracting energy from flowing liquid

Waterfall High Pressure Energy Conversion Machine

River High Pressure Energy Conversion Machine

River high pressure energy conversion machine

Hydrokinetic turbine structure and system

Cyclical wave energy converter

Method and apparatus for converting marine wave energy by means of a difference in flow resistance form factors into electricity

Dam-free hydro-power plant

Modular system for generating electricity from moving fluid

Submersible waterwheel with hinged rotor blades and spring-loaded water seals

Portable hydro-generator

Tethered propgen

Cyclical wave energy converter

Vortex hydraulic turbine

Fluid powered turbine engine

Single sided power generator support frame

Wind turbine

Means to regulate water velocity through a hydro electric turbine

Machine and system for power generation through movement of water

Hydro turbine

Helical device for conversion of fluid potential energy to mechanical energy