Hydraulically-actuated fuel injector and cartridge
Hydrocarbon cracking apparatus
Hydrocarbon fluid econo-miser
Hydrocarbon fuel modification device and a method for...
Hydrocarbon processing method and apparatus
Hydrogen combustion enhancement unit for an internal...
Hydrogen fueled spark ignition engine
Hydrogen gas injector for internal combustion engine
Hydrogen injection system
Hydrogen rich gas generator
Hydrogen supply system
Hydrogen-fueled engine
Hydrogen-rich gas generator
Hydrogen/air and non-cumbustible gas mixing combustion system
Hydrogen/oxygen gas produced by electrolysis as a partial...
Hydromechanical control for a variable delivery positive...