Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Catalytic converter degradation determining system

Catalytic converter degradation determining system

US Patent 7409821 · Granted Aug 12, 2008

Estimated economic value: $1,556,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Adhesive sheet2024
Indwelling catheter2023
Medical device for treating lymphedema2021
Gear, and image forming apparatus provided with the same2011
Intermediates and process for the production of optically active quinolonecarbox2011
Semiconductor device, unique ID of semiconductor device and method for verifying2010
Exhaust gas purifying apparatus and method for internal combustion engine2009
Deterioration diagnosing device and diagnosing method for exhaust gas purificati2008
Internal combustion engine having an exhaust particulate filter2007
Deterioration diagnosis of diesel particulate filter2007
Exhaust gas purifying apparatus and method for internal combustion engine2007
Engine exhaust gas cleaning apparatus2007