LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Igniters – Incandescent

Protective circuit for the ignition system of an internal combus

Internal-combustion engines – Charge forming device – Fuel injection system

Protective device against unauthorized access

Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters

Protective device for external components of engine

Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters

Protective device for external components of engine

Internal-combustion engines – Engine speed regulator – Engine speed reduction by partial or complete omission of...

Protective engine speed control for a centrifugal clutch

Internal-combustion engines – Frame construction – Horizontal cylinder

Protective system for a crank angle sensor

Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture

Protruding oil separation baffle holes

Internal-combustion engines – Charge forming device – Heating of combustible mixture

PTC heater construction

Internal-combustion engines – Valve – Valve head cooperates with manifold

Puffing swirler

Internal-combustion engines – Starting device – Mechanical

Pull down engine starter

Internal-combustion engines – Starting device – Mechanical

Pull starter for engine

Internal-combustion engines – Starting device – Mechanical

Pull starter for outboard motor

Internal-combustion engines – Starting device – For airplane

Pull-rope recoil starter

Internal-combustion engines – Starting device – Mechanical

Pull-rope recoil starter

Internal-combustion engines – Starting device – Mechanical

Pull-rope starter for an internal combustion engine

Internal-combustion engines – Starting device – Mechanical

Pull-start engine with a lubricating unit

Internal-combustion engines – Starting device – Mechanical

Pullback starter for internal combustion engines

Internal-combustion engines – Starting device – Mechanical

Pullback starter for internal combustion engines

Internal-combustion engines – Transmission mechanism from piston

Pulling piston engine