Inventor

LEISENRING JR ROGER L

US4 patents

⚠️ This page may combine multiple inventors who share the name “LEISENRING JR ROGER L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TEXACO INC

1 patent

US4600562AJul 15, 1986

Method and apparatus for filtering engine exhaust gas

TEXACO INC14 citations71

KIOR INC

1 patent

US9051525B2Jun 9, 2015

Composition for reducing polynuclear aromatic hydrocarbon emissions

KIOR INC3 citations60

INAERIS TECH LLC

1 patent

US10329507B2Jun 25, 2019

Composition for reducing polynuclear aromatic hydrocarbon emissions

INAERIS TECH LLC0 citations49

TREWELLA JEFFREY C

1 patent

US9624446B2Apr 18, 2017

Low temperature property value reducing compositions

TREWELLA JEFFREY C0 citations47