Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for treatment of exhaust gases

Method for treatment of exhaust gases

US Patent 4916898 · Granted Apr 17, 1990

Estimated economic value: $12,161,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Exhaust gas catalyst and method of manufacturing same2007
Exhaust gas catalyst and method of manufacturing same2005
Three-way catalyst for automotive emission control1994
Integral unitary manifold-muffler-catalyst device1994
Method for purification of lean-burn engine exhaust gas1994
Method for purification of lean-burn engine exhaust gas1994
Integral unitary manifold-muffler-catalyst device1993
Electrochemical process and apparatus for reducing oxidants of vehicle interior 1993
Catalyst for purification of lean-burn engine exhaust gas1992
Three-way catalyst for automotive emission control1992
Oxidation catalyst with modified platinum structure1992
Three-way catalyst for automotive emission control and method of making the cata1991