Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for filtering engine exhaust gas

Method and apparatus for filtering engine exhaust gas

US Patent 4600562 · Granted Jul 15, 1986

Estimated economic value: $25,112,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Composition for reducing polynuclear aromatic hydrocarbon emissions2019
Low temperature property value reducing compositions2017
Composition for reducing polynuclear aromatic hydrocarbon emissions2015
Diesel fuel comprising a glycolated Mannich coupled bis-succinimide detergent1992
Diesel fuel detergent additive1991
Diesel fuel injector cleaning additive1991
Middle distillate fuel containing deposit inhibitor1990
Laminated bag1989
ORI-inhibited and deposit-resistant motor fuel composition1989
Reaction product additive and ori-inhibited motor fuel composition1989
Novel polyoxyalkylene diamine compound and ori-inhibited motor fuel composition1988
Motor fuel composition1987