H.sub.2 S Abatement process
Hall effect electric propulsion system
Hall-effect plasma thruster
Hall-type electric propulsion
Hammer
HAN TEAN (xm-46) mixing gas generator propellant tank pressurize
Hand operated hydraulic pump having pressurized reservoir within
Hand pump system for hydraulic motor
Hand-held bleeder stroke tool
Handling bleed valve
Harmonic engine
HC adsorbing material and device for judging deterioration...
HC-discharge suppressing device for vehicle and operational...
HCCI engine intake/exhaust systems for fast inlet...
HDR closed loop steam generation
Head end control and steering system: using a forward end maneuv
Head part of an annular combustion chamber of a gas turbine havi
Head start partial premixing for reducing oxides of nitrogen emi
Header assembly for internal combustion engine and method
Header assembly for internal combustion engines