LandOfFree - US Patents - Listing for Internal-combustion engines

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

Quantity control valve

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

Quantity control valve for a fuel injection system

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

Quasi resonant gate controller for a power driver

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

Quasiturbine (Qurbine) rotor with central annular support...

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

Quasiturbine zero vibration-continuous combustion rotary engine

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Quick adjust tappet assembly

Internal-combustion engines – Engine speed regulator – Open loop condition responsive

Quick attach linkage

Quick change plug

Internal-combustion engines – Lubricators – Crankcase – pressure control

Quick connect coupling adapters for facilitating simple and high

Internal-combustion engines – Intake manifold – For use with carburetor upstream of manifold

Quick disconnect coupling

Internal-combustion engines – Intake manifold – For use with carburetor upstream of manifold

Quick disconnect coupling for fluid flow connections

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

Quick EGR flow restriction test based on compensated mass...

Internal-combustion engines – Starting device – With fuel or intake air control

Quick engine startup system and method

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

Quick priming fuel system and common passageway housing for...

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

Quick release engine cylinder

Internal-combustion engines – Frame construction – Horizontal cylinder

Quick release valve cover

Quick replacement igniter assembly

Quick replacement spark plug assembly

Quick replacement spark plug assembly