LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Two-cycle – Rear compression

Variable displacement metering pump

Internal-combustion engines – Multiple cylinder – Cylinders radiating

Variable displacement piston engine

Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...

Variable displacement pump fuel metering system and electrohydra

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Variable displacement pump, valve timing control device...

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

Variable displacement rotary internal combustion engine

Internal-combustion engines – Valve – Reciprocating valve

Variable displacement valve seat for internal combustion...

Internal-combustion engines – Adjustable combustion chamber – Piston in head adjusted

Variable displacement/compression engine

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means

Variable drive coupling for a fuel injection pump

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Variable drive for camshafts

Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...

Variable droop engine speed control system

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Variable duration camshaft

Internal-combustion engines – Poppet valve operating mechanism – Lubrication

Variable duration hydraulic valve lifters

Internal-combustion engines – Valve – Rotary

Variable duration rotary valve

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Variable duration valve lifter improvements

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Variable duration valve opening mechanism

Internal-combustion engines – Poppet valve operating mechanism – Cam

Variable duration valve timing camshaft

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing

Variable duration valve timing camshaft

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

Variable engine valve control system

Reissue Patent

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

Variable engine valve control system