Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Emission control system for internal combustion engines

Emission control system for internal combustion engines

US Patent 6052989 · Granted Apr 25, 2000

Estimated economic value: $51,119,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for controlling fuel of a spark ignited engine while regenerating a parti2018
Low temperature catalyst/hydrocarbon trap2016
Fuel control for spark ignited engine having a particulate filter system2016
Air-injection system to improve effectiveness of selective catalytic reduction c2016
Fuel control for spark ignited engine having a particulate filter system2014
Air-injection system to improve effectiveness of selective catalytic reduction c2014
Reduction of NOx trap at engine shutoff2014
Method for operating a vehicle with a fuel reformer2013
Pump control for reformate fuel storage tank2013
System and method for regenerating a particulate filter2013
Method for operating a vehicle with a fuel reformer2012
Methods and formulations for enhancing NH3 adsorption capacity of selective cata2012