Inventor
CUNNINGHAM LAWRENCE J
US17 patents
⚠️ This page may combine multiple inventors who share the name “CUNNINGHAM LAWRENCE J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ETHYL CORP
6 patentsUS5697988ADec 16, 1997
Fuel compositions
ETHYL CORP147 citations98
US5634951AJun 3, 1997
Additives for minimizing intake valve deposits, and their use
ETHYL CORP138 citations97
US5679116AOct 21, 1997
Compositions for control of induction system deposits
ETHYL CORP63 citations93
US5551957ASep 3, 1996
Compostions for control of induction system deposits
ETHYL CORP67 citations93
US5405417AApr 11, 1995
Fuel compositions with enhanced combustion characteristics
ETHYL CORP27 citations92
US5514190AMay 7, 1996
Fuel compositions and additives therefor
ETHYL CORP80 citations91
ETHYL PETROLEUM ADDITIVES INC
4 patentsUS5279626AJan 18, 1994
Enhanced fuel additive concentrate
ETHYL PETROLEUM ADDITIVES INC59 citations92
US5385588AJan 31, 1995
Enhanced hydrocarbonaceous additive concentrate
ETHYL PETROLEUM ADDITIVES INC31 citations91
US5215547AJun 1, 1993
Middle distillate fuels and additives therefor
ETHYL PETROLEUM ADDITIVES INC8 citations71
US5106975AApr 21, 1992
Hexahydropyrimidine derivatives
ETHYL PETROLEUM ADDITIVES INC6 citations61
CUNNINGHAM LAWRENCE J
3 patentsUS8231695B2Jul 31, 2012
Fuel compositions comprising hydrocarbon oil carriers and methods for using the same
CUNNINGHAM LAWRENCE J21 citations86
US8778034B2Jul 15, 2014
Biodegradable fuel performance additives
CUNNINGHAM LAWRENCE J15 citations82
US8852298B2Oct 7, 2014
Fuel composition containing iron and manganese to reduce spark plug fouling
CUNNINGHAM LAWRENCE J0 citations40