LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Charge forming device – Combined liquid and gaseous fuel

Multiple phase fuel supply system for internal combustion engine

Multiple piston expansion chamber engine

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

Multiple piston expansion chamber engine

Multiple piston expansion chamber engine

Multiple piston expansion chamber engine

Multiple piston expansion chamber engine

Multiple piston expansion chamber engine

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

Multiple plunger fuel injection pump

Internal-combustion engines – Two-cycle – Rear compression

Multiple port cylinder for crankchamber precompression type two

Internal-combustion engines – Rotary – With compression – combustion – and expansion in a single...

Multiple port intake means for rotary piston engines

Internal-combustion engines – Rotary – With compression – combustion – and expansion in a single...

Multiple port intake means for rotary piston engines

Internal-combustion engines – High tension ignition system – Retrofit conversion ignition unit

Multiple primary coil ignition system and method

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

Multiple pump fuel delivery system

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

Multiple rocker arm valve control system

Internal-combustion engines – Engine speed regulator – Open loop condition responsive

Multiple sensor electronic assembly

Internal-combustion engines – Transmission mechanism from piston

Multiple shaft engine

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

Multiple slope ignition spark timing circuit

Internal-combustion engines – Solid fuel

Multiple sources refuel mechanism

Internal-combustion engines – High tension ignition system – High frequency ignition system

Multiple spark capacitive discharge ignition system for an...

Utility Patent