Idle exhaust for marine propulsion systems
Ignition system battery for preheating of automotive...
Impact diesel particulate filter
Improved catalyst structure employing integral heat exchange
Improved catalyzed soot filter
Improved efficiency turbocharged engine system with...
Improved exhaust treatment system
Improved high performance muffler
Improved marine engine silencer
Improved muffler
Improved muffler with partition array
Improved particulate filter, and system and method for...
Improved process and catalyst structure employing integral...
Improved reversing flow catalytic converter for internal...
Improved sound-attenuating muffler having reduced back pressure
Improved sulfur oxide/nitrogen oxide trap system and method...
Improvements in and relating to gas flow arrangement...
Improvements relating to catalysts
In-line adsorber system
In-line constricted sound-attenuating system