LandOfFree - US Patents - Listing for Internal-combustion engines,Poppet valve operating mechanism

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

Internal EGR quantity estimation, cylinder intake air...

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

Internal-combustion engine comprising a rocker lever valve gear

Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means

Internal-combustion engine having an electronically...

Internal-combustion engines – Poppet valve operating mechanism – Overhead camshaft

Internal-combustion engine having two rows of cylinders

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

Internal-combustion engine switchable valve tappet

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

Internal-combustion engine with a device for hydraulically...

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

Internal-combustion engine with a device for hydraulically...

Reissue Patent

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

Internal-combustion engine with a hydraulic device for a...

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

Internal-combustion engine with an electronically controlled...

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

Internal-combustion engine with hydraulic device for...

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

Internal-combustion engine with hydraulic system for...

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

Internal-combustion engine with hydraulic system for...

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

Internal-combustion engine with hydraulic system for...

Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means

Internal-Combustion engine with two rows of cylinders

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

Internal-combustion engine with variable-operation valves...

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

Internal-combustion engine, in particular a two-cylinder...

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Inverted bucket tappet with collapsing diaphragm seal

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Inverted bucket tappet with improved seal and valve stem pad

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Inverted bucket tappet with seal