Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Closely coupled exhaust catalyst system and engine strategy associated therewith

Closely coupled exhaust catalyst system and engine strategy associated therewith

US Patent 5878567 · Granted Mar 9, 1999

Estimated economic value: $54,779,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Barbell lock collar2017
Catalyst system for the reduction of NOx and NH3 emissions2012
Method and system for monitoring a catalytic converter2003
Catalytic converter decontamination method2003
Sol-gel alumina membrane for lean NOx catalysts and method of making same2001
Exhaust after-treatment system for automotive vehicle1999
Catalytic converter decontamination method1999
Polymerization catalyst enhanced hydrocarbon trapping process1998
Assembly and method for monitoring hydrocarbon concentration in exhaust gas1998
Methods and apparatus for monitoring the performance of hydrocarbon engine emiss1996
Electrically heatable catalyst device using electrically conductive non-metallic1996
System for monitoring the performance of automotive catalysts1995