Apparatus and method for transferring entropy with the aid...

Bio signal measuring apparatus and method

Combustion-driven hydroelectric generating system with...

Compact actuator

Condensing vapor heat engine with constant volume superheating a

Electrically variable pneumatics structural element

Engine for converting thermal energy to stored energy

Engine for powering by water

Explosive evaporation motor

Heat engine improvements

Hot-gas piston type engine

Hot-gas piston-type engine and use thereof in heating, cooling a

Internal expansion engine

Internal explosion engine and generator using...

MEMS closed chamber heat engine and electric generator

Metal hydride artificial muscles

Methods for producing hydro-electric power

Micromachined parylene membrane valve and pump

Micromachined parylene membrane valve and pump

Micromachined parylene membrane valve and pump