LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Lubricators – Crankcase – pressure control

Oil filter having an integral metering orifice for a valve...

Internal-combustion engines – Lubricators – Crankcase – pressure control

Oil filter mounting arrangement for a motorcycle engine

Internal-combustion engines – Lubricators – Crankcase – pressure control

Oil filter mounting means

Internal-combustion engines – Lubricators – Crankcase – pressure control

Oil filtering system

Internal-combustion engines – Lubricators – Crankcase – pressure control

Oil flow control system for engine cylinder head

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

Oil flow control valve

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system

Oil flow positive valve drive mechanism for gasoline engines

Internal-combustion engines – Lubricators – Crankcase – pressure control

Oil flushing system

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

Oil gallery for variable valve timing apparatus of a...

Internal-combustion engines – Lubricators – Crankcase – pressure control

Oil heating apparatus for internal combustion engine

Internal-combustion engines – Two-cycle – Rear compression

Oil injection lubrication system and methods for two-cycle...

Internal-combustion engines – Two-cycle – Rear compression

Oil injection lubrication system for two-cycle engines

Internal-combustion engines – Lubricators – Crankcase – pressure control

Oil injection system

Internal-combustion engines – Lubricators – Crankcase – pressure control

Oil injection warning system

Internal-combustion engines – Cooling – Internal cooling of moving parts; e.g. – hollow valves,...

Oil inlet for an internal combustion engine piston that is...

Internal-combustion engines – Lubricators – Crankcase – pressure control

Oil intake structure of an engine

Internal-combustion engines – Cooling – Internal cooling of moving parts; e.g. – hollow valves,...

Oil jet nozzle for an internal combustion with reciprocating pis

Internal-combustion engines – Cooling – Internal cooling of moving parts; e.g. – hollow valves,...

Oil jet piston cooler

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Oil lash adjuster