Acoustically resonant internal combustion engine-generator (A.R.

Adjustable resonance frequency vibration power harvester

Air cooling generator

Air driven whistle generator

Aircraft power unit with elective mechanical coupling

Aircraft starter/generator electrical system with mixed...

Alternating voltage output apparatus and vehicle including...

Alternator with vacuum pump

Aluminum cycle energy system

Apparatus and method for energy generation within a tire

Apparatus and method for extracting energy from a passing train

Apparatus for actuating a locking element with an electrical...

Apparatus for converting radiant energy to electric energy

Apparatus for generating electricity within a pneumatic wheel as

Apparatus for generating power

Apparatus for generating power from passing vehicular traffic

Apparatus for generating power from passing vehicular traffic

Apparatus for generating power from passing vehicular traffic

Apparatus for generating power from passing vehicular traffic

Apparatus for generating power from passing vehicular traffic