LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Frame construction – Horizontal cylinder

Unitary ladder frame and cyulinder block structure and engine bl

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

Unitary molded plastic valve seal

Internal-combustion engines – Charge forming device – Supercharger

Unitized cross tie aftercooler assembly

Internal-combustion engines – Lubricators – Crankcase – pressure control

Unitized oil cooler and filter assembly

Internal-combustion engines – Four-cycle – Single poppet valve

Univalve engine

Internal-combustion engines – Poppet valve operating mechanism – Lubrication

Universal attachment extension tube with rotational locking devi

Internal-combustion engines – Cooling – Devices for cooling liquid by air flow

Universal axial spacer for mounting fan on pump shaft and drive

Internal-combustion engines – Charge forming device – Auxiliary air or gas used to inject fuel

Universal combustion system

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

Universal control of a plurality of fuel injectors for an intern

Internal-combustion engines – Charge forming device – Combined liquid and gaseous fuel

Universal fuel injection system

Internal-combustion engines – Igniters – Incandescent

Universal fuel injection system controller

Internal-combustion engines – Starting device – Auxiliary fuel supply device

Universal fuel priming system

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

Universal injection valve assembly

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

Universal injection valve assembly

Internal-combustion engines – Charge forming device – With fuel pump

Universal surrogate fuel pump system

Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture

Universal system for supplying gases to internal combustion engi

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Universal valve lifter block and cap for motorcycle engines

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

Unsymmetrical free piston engine

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

Unsymmetrical free piston engine