LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Oscillating piston engine

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Oscillating piston engine for helicopters

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Oscillating piston internal combustion engine

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Oscillating piston internal combustion engine

Internal-combustion engines – Rotary – With compression – combustion – and expansion in a single...

Oscillating piston machine

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Oscillating piston machine

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Oscillating piston rotary machine

Internal-combustion engines – Rotary reciprocating piston

Oscillating reciprocating piston two-stroke engine

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Oscillating two stroke internal combustion engine

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Oscillating vane engine

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Oscillating vane machine

Internal-combustion engines – Rotary – With compression – combustion – and expansion in a single...

Oscillating-piston engine

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Oscillating-piston machine

Internal-combustion engines – Rotary – With compression – combustion – and expansion in a single...

Oscillating-piston machine

Internal-combustion engines – Multiple cylinder – Cylinders radiating

Oscillatory motion apparatus

Internal-combustion engines – Multiple cylinder – Cylinders radiating

Oscillatory motion apparatus

Internal-combustion engines – Multiple cylinder – Cylinders radiating

Oscillatory motion apparatus

Internal-combustion engines – Charge forming device – Including exhaust gas condition responsive means

Other-type fuel contamination determination apparatus for...

Internal-combustion engines – Particular piston and enclosing cylinder construction – Cylinder detail

Otto cycle internal combustion engine giving increased performan