LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Cooling – With vapor generation and/or condensing

Dual phase cooling apparatus for an internal combustion engine

Internal-combustion engines – Particular piston and enclosing cylinder construction – Cylinder detail

Dual phase graphite cylinder liner and method of making the...

Internal-combustion engines – Multiple piston – common nonrestrictive combustion chamber – Four-cycle

Dual piston cylinder configuration for internal combustion...

Internal-combustion engines – Multiple piston – common nonrestrictive combustion chamber – Four-cycle

Dual piston internal combustion engine

Internal-combustion engines – Multiple cylinder – Cylinder offset from crankshaft axis

Dual piston two stroke engine

Internal-combustion engines – Combustion chamber having multiple spark gaps

Dual plug ignition system

Internal-combustion engines – High tension ignition system

Dual polarity type ignition system for a spark plug group

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

Dual port intake device for an internal combustion engine...

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

Dual pressure fluid system and method of use

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

Dual pressure metering for distributor pumps

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

Dual pressure on demand automotive fuel pump

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

Dual PWM control of a center mounted spool value to control...

Internal-combustion engines – Rotary – With charge treatment means

Dual radius rotor for pre-mixed-charge rotary engine combustion

Internal-combustion engines – Cooling – Automatic coolant flow control

Dual reservoir tank for propellant hydraulic fluid for internal

Internal-combustion engines – Oscillating piston – Toroidal cylinder

Dual rocker shaft internal combustion diesel engine

Internal-combustion engines – Rotary – With means to control degree of compression

Dual rotor internal combustion engine

Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy

Dual schedule ignition system

Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy

Dual schedule ignition system

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

Dual seal EGR tube assembly