Radial flow exhaust catalytic converter
Reactor
Reactor distribution duct
Reactor for catalytically processing gaseous fluids
Reciprocating internal combustion engine and support assembly
Recirculatory system
Reduced-emissions combustion utilizing multiple-component...
Reduced-emissions combustion utilizing multiple-component...
Reduction and axidation catalytic system
Reduction of nox emmisions from gasoline engines
Reduction of nox, hc, and co in the exhaust gases of...
Reed valve assembly for exhaust system secondary air
Refractive wave muffler
Regenerable desiccant cartridge for automotive muffler
Regenerable diesel exhaust filter
Regeneratable diesel particulate filter assembly
Regenerating catalytic particulate filters and apparatus...
Regenerating diesel emissions control devices
Regeneration control system for a diesel engine exhaust...
Regeneration device of exhaust gas purification filter and...