Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Exhaust-gas purification device for internal combustion engine

Exhaust-gas purification device for internal combustion engine

US Patent 6474147 · Granted Nov 5, 2002

Estimated economic value: $155,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Controlling electronic devices by operating head mounted display2022
Controlling electronic devices by operating head mounted display2020
Laminate of an acrylic resin composition layer containing triazine based ultra-v2014
Laminate of an acrylic resin composition layer containing triazine based ultra-v2014
Laminate of an acrylic resin composition layer containing triazine based ultra-v2013
Navigation apparatus for vehicle2012
Cleaning agent for thermostatic chambers2010
Device for clarifying exhaust gas from internal combustion engine2007
Intensive machine for performing a plurality of processes in fabrication of mult2005
Catalyst deterioration detecting system for an automobile2005
Exhaust purifying apparatus for internal combustion engine2002
Exhaust purifying apparatus for internal combustion engine2002