Method and device for ensuring the safety in a free piston machi
Method for absorbing the vibration of a free-piston engine and v
Method for operation of a free piston engine
Method for the cold start of a free-piston engine; and free-pist
Method of operating a free piston internal combustion engine wit
Method of operating a free piston internal combustion engine wit
Method of operating a free piston internal combustion engine...
Methods employing an internal combustion fastener driving tool
Microcombustion engine/generator
Microcombustion engine/generator
Microgenerator of electrical energy
Miniature generator
Miniature reciprocating combustion-driven machinery
Misfire tolerant combustion-powered actuation
Momentum engine
Non-polluting heat machine with internal combustion
Opposed piston linearly oscillating power unit
Opposed piston opposed cylinder free piston engine
Piston assembly for use in a free piston internal combustion...
Piston engine employing oxygen