LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Multiple cylinder – Cylinders radiating

Paired beam engines and pumps

Internal-combustion engines – Six-cycle

Paired piston engine with rotary valves

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

Parallel cylinder internal combustion engine

Internal-combustion engines – Cooling – Multiple cylinders with equalized cooling

Parallel flow coolant circuit for internal combustion aircraft e

Internal-combustion engines – Four-cycle – Rotating valve

Parallel inherently balanced rotary valve internal combustion en

Internal-combustion engines – Rotary – With transfer means intermediate single compression volume...

Parallel rotary engine

Internal-combustion engines – Charge forming device – Heating of combustible mixture

Parallel vaporized fuel system

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system

Part load gas exchange strategy for an engine with variable lift

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system

Part load gas exchange strategy for an engine with variable lift

Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...

Part-throttle performance optimization

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

Partial internal guide for curved helical compression spring

Internal-combustion engines – Charge forming device – Heating of combustible mixture

Partial oxidation device for an HCCI engine intake system

Internal-combustion engines – Cooling – Liquid coolants other than water and water treatment

Partial-boil cooling apparatus for engine

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

Partial-load control apparatus and method and for internal combu

Internal-combustion engines – Transmission mechanism from piston – Including clutch

Partially constrained five-bar mechanism for reciprocating pisto

Internal-combustion engines – Cooling – Air-cooled

Partially liquid-cooled type forced air-cooling system for inter

Internal-combustion engines – Cooling – Indicators and safety devices

Particulate and dirt collecting indicator, deflector and collect

Internal-combustion engines – Solid fuel

Particulate deflagration combustion engine

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

Partition plate for intake port, intake port molding sand...