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

Internal-combustion engines – Four-cycle – Scavenging

4-stroke, stratified gas engine

Internal-combustion engines – Four-cycle – Rotating valve

Adjustable non-throttling control apparatus for spark ignition i

Internal-combustion engines – Four-cycle – Variable clearance

Adjusting apparatus particularly for an internal combustion...

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

Air cooled rotary distribution valve for internal combustion eng

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

Annular valve stratified charge spark ignition engines

Internal-combustion engines – Four-cycle – Variable clearance

Apparatus and method for establishing dual compression...

Internal-combustion engines – Four-cycle – Variable clearance

Apparatus for varying the compression ratio of an...

Internal-combustion engines – Four-cycle – Variable clearance

Arrangement for controlling the oil feed to a control chamber of

Internal-combustion engines – Four-cycle – Variable clearance

Automatic compression adjusting mechanism for internal combustio

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

Breathing system for internal combustion engines, using dual...

Internal-combustion engines – Four-cycle – Rotating valve

Carbon fiber reinforced carbon composite rotary valve for an int

Internal-combustion engines – Four-cycle – Rotating valve

Cartridge-type rotary valve

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

Coaxial poppet valve

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

Combined sleeve/poppet valve for internal combustion engine

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

Combustion chamber for an internal combustion engine

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

Combustion chamber of an internal combustion engine with an accu

Internal-combustion engines – Four-cycle – Rotating valve

Combustion engine valve system

Internal-combustion engines – Four-cycle – Rotating valve

Combustion engine valve system

Internal-combustion engines – Four-cycle – Variable clearance

Combustion engine with variable compression ratio