LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Miscellaneous – Fuels – lubricants and additives

System for improving the fuel efficiency of an engine

Internal-combustion engines – Combined devices – Generating plants

System for improving the fuel efficiency of an engine

Internal-combustion engines – Starting device – For airplane

System for improving the starting of diesel engines in cold weat

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

System for increasing the fuel feed in internal combustion engin

Internal-combustion engines – Starting device – With fuel or intake air control

System for indicating the level of fuel contained in the...

Internal-combustion engines – Combustion chamber means having fuel injection only – Combination igniting means and injector

System for injecting fuel into combustion chambers of an interna

Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode

System for integrally controlling current flow through number of

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

System for internal combustion engine

Internal-combustion engines – Engine speed regulator – Engine speed reduction by fuel cutoff

System for limiting the maximum speed of an internal combustion

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

System for limiting the speed of internal combustion engine havi

Internal-combustion engines – Miscellaneous – Fuels – lubricants and additives

System for lowering emissions of nitrogen oxides

Internal-combustion engines – Lubricators – Crankcase – pressure control

System for lubricating valve-operating mechanism in engine

Internal-combustion engines – Cooling – Automatic coolant flow control

System for maintaining engine oil at a desired temperature

Internal-combustion engines – Combustion chamber means having fuel injection only – Using multiple injectors or injections

System for management of fuel in a cold start fuel passageway

Internal-combustion engines – Cooling – Automatic coolant flow control

System for managing the heat energy produced by a motor...

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

System for measuring air flow rate for internal combustion engin

Internal-combustion engines – Engine speed regulator – By changing valve lift

System for measuring amount of air introduced into combustion ch

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

System for measuring the angular position of an internal combust

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

System for metering a fuel supply