Feigin & Fridman, LLC has obtained the following 14 United States patents in Mechanical — Engines & Fluid Power for our clients. Click any patent for full details, drawings, and the issued PDF, or search the full patent database.
System and method of cleaning air entering an engine of a vehicle
Centrifugal kinetic power turbine
Injector assembly and method of using same
Method and device to increase thrust and efficiency of jet engine
Directional, sealable wind-powered turbine
Water carrying lift
Method and device to increase thrust and efficiency of jet engine
Rotary piston machine with an oval rotary piston
Rotary piston machine with an oval rotary piston guided in an oval chamber
Rotary piston machine
Two-cycle engine
Motor-driven, expander-compressor transducer
Expander-compressor transducer
Combustion process
