Inventor

KRETCHMER RICHARD A

US8 patents

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

AMOCO CORP

3 patents

US5687565ANov 18, 1997

Control of exhaust emissions from an internal combustion engine

AMOCO CORP48 citations95

US4692318ASep 8, 1987

Process for simultaneously removing nitrogen oxides, sulfur oxides, and particulates

AMOCO CORP84 citations94

US4612265ASep 16, 1986

Stabilization of sulfur dioxide solutions containing lithium perchlorate and a tetraalkylammonium perchlorate

AMOCO CORP12 citations73

STANDARD OIL CO INDIANA

3 patents

US4609537ASep 2, 1986

Process for simultaneously removing nitrogen oxides, sulfur oxides, and particulates

STANDARD OIL CO INDIANA69 citations94

US4617175AOct 14, 1986

Nitrogen oxide, sulfur oxide, and particulate removal system

STANDARD OIL CO INDIANA26 citations90

US4612177ASep 16, 1986

Removal of sulfur oxides and particulates with copper-containing absorbers

STANDARD OIL CO INDIANA17 citations71

BP AMOCO CORP

1 patent

US5916129AJun 29, 1999

Control of exhaust emissions from an internal combustion engine

BP AMOCO CORP38 citations92

BP CORP NORTH AMERICA INC

1 patent

US7557255B2Jul 7, 2009

Method and an unleaded low emission gasoline for fueling an automotive engine with reduced emissions

BP CORP NORTH AMERICA INC6 citations55