LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Transmission mechanism from piston

Geared reciprocating piston engine with spherical rotary valve

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Geared rocker valve operation for internal combustion reciprocat

Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed

Geared rocker valve operation for internal combustion reciprocat

Internal-combustion engines – Frame construction – Horizontal cylinder

General purpose engine

Internal-combustion engines – Engine speed regulator – Having plural throttle valve structure

General purpose internal combustion engine

Internal-combustion engines – Cooling – Air-cooled

General-purpose air-cooled four-cycle engine

Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...

General-purpose engine

Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...

General-purpose engine

Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system

General-purpose engine fuel tank fuel vapor treatment system

Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system

General-purpose engine fuel tank fuel vapor treatment system

General-purpose internal combustion engine

Internal-combustion engines – Starting device – For airplane

General-purpose internal combustion engine with vertical crank s

Internal-combustion engines – Transmission mechanism from piston – Crankshaft and connecting rod

Generating electricity with a hypocyloidally driven, opposed...

Internal-combustion engines – Engine speed regulator – Engine speed reduction by partial or complete omission of...

Generating unit with engine speed control device

Internal-combustion engines – Charge forming device – Liquid fuel evaporating by extended fuel film

Generating vapor of a volatile normally liquid fuel and operatin

Generator air flow and noise management system and method

Generator apparatus for the combined production of electrical en

Internal-combustion engines – Cooling – With cooling of additional parts or materials

Generator cooling system of engine

Generator having a plastic frame