LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture

Double-pintle emission control valve having a one-piece...

Internal-combustion engines – Charge forming device – Fuel injection system

Double-switching control valve for an injector of a fuel...

Internal-combustion engines – Charge forming device – With fuel pump

Double-tub fuel tank

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Drag lever of a valve mechanism in an internal combustion...

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

Drag racer competition control system

Internal-combustion engines – Cooling – Devices for cooling liquid by air flow

Drag reducing cooling system for a vehicle

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

Drain pipe in canister system

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

Drain pipe of canister

Internal-combustion engines – Multiple cylinder – Cylinders in-line

Drain recycle system for two-cycle engine

Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports

Drain system for two cycle engine

Internal-combustion engines – Cooling – System drained and/or heat-storing

Drain valve for a marine engine

Internal-combustion engines – Cooling – System drained and/or heat-storing

Drain-and-fill methods and apparatus for automotive cooling syst

Internal-combustion engines – Two-cycle – Rear compression

Draining system for outboard engine

Internal-combustion engines – Rotating cylinder – Parallel to shaft

Draw rotary engine

Internal-combustion engines – Cooling – Automatic coolant flow control

Drill rig and a method for controlling a fan therein

Internal-combustion engines – Cooling – Automatic coolant flow control

Drill rig and a method for controlling a fan therein

Internal-combustion engines – Lubricators – Crankcase – pressure control

Drip tray

Internal-combustion engines – Igniters – Sparkers

Drive adapter for a generator/magneto

Internal-combustion engines – Two-cycle – Pump compression

Drive aggregate for a heat pump