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

Exhaust gas purification apparatus for an internal combustion engine

US Patent 5402641 · Granted Apr 4, 1995

Estimated economic value: $138,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Class system, viewing terminal, information processing method, and program2025
Copper paste, wick formation method, and heat pipe2025
Exhaust gas control system and exhaust gas control method2024
Cluster supported catalyst and production method therefor2024
Optical fiber sensing system and method for abnormal occurrence detection2024
Air-fuel ratio control apparatus for internal combustion engine and air-fuel rat2024
Cluster supported catalyst and production method therefor2024
Drive unit and maintenance method for the same2023
Pressure wave-generating device and method for producing the same2023
Cluster-supporting porous carrier and method for producing same2023
Display control apparatus, display control method, and recording medium2023
Event prediction system, sensor signal processing system, event prediction metho2022