LandOfFree - US Patents - Listing for Internal-combustion engines,Valve

Camshaft controller, in particular for use in an induction manif

Carbon fiber reinforced carbon composite rotary valves for inter

Internal-combustion engines – Valve – Reciprocating valve

Carbon--carbon composite valve for high performance internal com

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

Ceramic composite valve for internal combustion engines and the

Internal-combustion engines – Valve – Wear feature

Ceramic valve for internal combustion engines having a reduced t

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

Ceramic valve guide and seat

Internal-combustion engines – Valve – Guide – lubricant – or coolant

Ceramic valve guide with two internal diameters

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

Ceramic valve supporting structure in use for internal combustio

Internal-combustion engines – Valve – Reciprocating valve

Chrome plated engine valve

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

Coated valve for internal combustion engine

Internal-combustion engines – Valve – Reciprocating valve

Combination intake and exhaust valve assembly

Combustion chamber for compact engine of the side valve type for

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

Combustion chamber for internal combustion engine

Combustion chamber of an internal combustion engine

Internal-combustion engines – Valve – Valve seat relation

Combustion chamber of internal combustion engine

Combustion chamber structure for a spark ignition engine

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

Combustion chamber structure for an engine

Internal-combustion engines – Valve – Reciprocating valve

Composite lightweight engine poppet valve

Internal-combustion engines – Valve – Reciprocating valve

Composite lightweight valve for internal combustion engines