LandOfFree - US Patents - Listing for Internal-combustion engines,Four-cycle

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

Engine air induction circuit

Internal-combustion engines – Four-cycle – Rotating valve

Engine airflow management system

Internal-combustion engines – Four-cycle – Having subcharger associated with the cylinder

Engine brake system of a multicylinder internal combustion...

Internal-combustion engines – Four-cycle – Multiple exhaust

Engine charge air temperature classifier

Internal-combustion engines – Four-cycle

Engine charge control system and method

Internal-combustion engines – Four-cycle – Multiple exhaust

Engine combustion chamber and method of operation

Internal-combustion engines – Four-cycle – Variable clearance

Engine control with operating mode detection

Internal-combustion engines – Four-cycle – Crankcase compression of air or combustible mixture to be...

Engine for transport vehicle

Internal-combustion engines – Four-cycle – Crankcase compression of air or combustible mixture to be...

Engine supercharged in crankcase chamber

Internal-combustion engines – Four-cycle – Scavenging

Engine system

Internal-combustion engines – Four-cycle – Rotating valve

Engine valve

Internal-combustion engines – Four-cycle – Having subcharger associated with the cylinder

Engine valve actuation for combustion enhancement

Internal-combustion engines – Four-cycle – Variable clearance

Engine with a variable compression ratio

Internal-combustion engines – Four-cycle – Variable clearance

Engine with a variable compression ratio

Internal-combustion engines – Four-cycle – Oscillating valve

Engine with fuel delivery system

Internal-combustion engines – Four-cycle – Variable clearance

Engine with variably adjustable compression ratio, and...

Internal-combustion engines – Four-cycle – Variable clearance

Expandable piston motor

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

Extended circumference intake poppet valve system for opening an

Internal-combustion engines – Four-cycle – Having subcharger associated with the cylinder

Extended expansion diesel cycle engine