LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Precombustion and main combustion chambers in series – Having combustible mixture forming means

Non-annular piston bowl for two-valve engines using offset injec

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

Non-circular poppet valves for internal combustion engine cylind

Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means

Non-circular rotary component

Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means

Non-circular rotary component

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

Non-contact ignition system

Internal-combustion engines – Igniters – Incandescent

Non-contact ignition system for an internal combustion engine

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Non-contacting apparatus for determining relative rotary...

Internal-combustion engines – High tension ignition system – Power supply – ignition coil primary – and interrupter element...

Non-contactor ignition system for internal combustion engines

Internal-combustion engines – Igniters – Incandescent

Non-DC ignition system with variable ignition timing

Internal-combustion engines – Lubricators – Crankcase – pressure control

Non-foaming crankcase configuration for piston internal-combusti

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Non-guided tappet and fuel injector using same

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

Non-incendive shut-down system for engine magnetos

Internal-combustion engines – Engine speed regulator – Idle speed control

Non-linear feedback controller for internal combustion engine

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

Non-linear position transducer for detecting the position of a v

Internal-combustion engines – Free piston – Single chamber; one piston

Non-polluting heat machine with internal combustion

Internal-combustion engines – Two-cycle – Rear compression

Non-polluting two-stroke engine with air-cooled piston

Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...

Non-return fuel supply system

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

Non-return fuel system with fuel pressure vacuum response

Internal-combustion engines – Precombustion and main combustion chambers in series – Precombustion chamber assembly inserted in spark plug hole

Non-return valve