ORIENTED VALVE IGNITION CHAMBER

Friction insert for oriented valve

Engine having prechamber ignition and method of controlling such an engine

FASTENER-DRIVING TOOL WITH MULTIPLE COMBUSTION CHAMBERS AND USABLE WITH FUEL CANISTERS OF VARYING LENGTHS

Engine having prechamber ignition and method of controlling such an engine

Engine having prechamber ignition and method of controlling such an engine

Guide stud valve

Fastener-driving tool with multiple combustion chambers and usable with fuel canisters of varying lengths

Engine having prechamber ignition and method of controlling such an engine

Liquid and/or gaseous fuel delivery system and methods thereof

Valve ignition prechamber with a reversed directon of combustion

Fuel injector

Ignition insert with an active pre-chamber

Combustion pre-chamber device for an internal combustion engine

Fastener-driving tool with multiple combustion chambers and usable with fuel canisters of varying lengths

Fuel system for a combustion driven fastener hand tool

Fuel injector having three stages

Quiescent chamber hot gas igniter

High Velocity Vapor Injector for Liquid Fuel Based Engine

Gas-powered fixing tool and method for operating same

High pressure energy storage thermal energy power machine and work-doing method therefor

Reciprocating piston internal combustion engine having an ancillary chamber containing a piston, and method for operating the same

Crossover valve in double piston cycle engine

IGNITION SYSTEM UTILIZING CONTROLLABLY VENTED PRE-CHAMBER

CONTROL VALVE FOR PRE-COMBUSTION CHAMBER ASSEMBLY

Combustion driven fastener hand tool

Dual pre-chamber piston bowl system

Dual pre-chamber combustion system

Combustion-powered tool with flexible silicone control check valve operable between a primary combustion chamber and a secondary combustion chamber

COMBUSTION CONTROL VIA HOMOGENEOUS COMBUSTION RADICAL IGNITION (HCRI) OR PARTIAL HCRI IN CYCLIC IC ENGINES

Self cooled engine

Ignition system for low grade synthesis gas at high compression

Crossover valve in double piston cycle engine

Quiescent chamber hot gas igniter

Combustion Control via Homogeneous Combustion Radical Ignition (HCRI) or Partial HCRI in Cyclic IC Engines

Internal combustion engine

FUEL INJECTION SYSTEM

Internal combustion engine with separate combustion chamber and a method to achieve modified and controlled autoignition in said chamber

Split-cycle engine with crossover passage combustion

Method and system for internal combustion engine

Method of initiating combustion in an internal combustion engine, and an engine applying the method

Engine with a slidable valve

Combustion control via homogeneous combustion radical ignition (HCRI) or partial HCRI in cyclic IC engines

HEAT ENGINE

Combustion control via homogeneous combustion radical ignition (HCRI) or partial HCRI in cyclic IC engines

Four stroke engine auto-ignition combustion

Energy storing engine

Split phase fuel conditioner

Two-step combustion system

Control of auto-ignition timing for combustion in piston engines by prechamber compression ignition

Control of auto-ignition timing for homogeneous combustion jet ignition engines

Internal combustion engine with divided combustion chamber

Valve controlled divided chamber internal combustion engine

Extended-life prechamber sparkplug for engine system and engine system operating method