Apparatus for extracting power from fluid flow

Hydroelectric/hydrokinetic turbine and methods for making and using same

Power generation sailing ship and a hydrogen production and supply system

Methods and apparatus to adjust hydrodynamic designs of a hydrokinetic turbine

Hydroelectric energy systems, and related components and methods

Method and system for pressure regulation of well fluid from a hydrocarbon well

Hydroelectric/hydrokinetic turbine and methods for making and using same

Bearing module for adjusting a rotor blade angle of attack in an underwater power plant

Modularized ocean energy generating device and built-in module thereof

Energy conversion device

System and method for extracting gas from a well

Apparatus for extracting power from fluid flow

Hydroelectric turbines, anchoring structures, and related methods of assembly

Methods and apparatus to adjust hydrodynamic designs of a hydrokinetic turbine

Energy conversion systems and methods

Rolling-door-type load regulating device and ocean energy power generating device using the same

Method for treating dense deepwater from Lake Kivu

Blade for a runner unit

Water current power generation systems

Power generating systems

Floating tower frame for ocean current turbine system

Device for tapping electrical energy from hydropower

Flowing-water driveable turbine assembly

Modularized ocean energy generating device

Blade for a water current turbine rotor, water current turbine comprising such a blade, associated water current turbine and method for producing such a blade

Water current power generation systems

Water flow power generation apparatus

Natural energy extraction apparatus

Hydroelectric turbine recovery system and a method therefor

Rotation blade attachment method for regeneration energy type electric generation apparatus

Energy conversion systems and methods