Lawrence J. Cunningham
21Patents
11h-index
22Co-inventors
75Inventor score
Filing activity: Aug 6, 1986 → Feb 8, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5697988A | Fuel compositions | Chemistry; Metallurgy | 54 | Expired |
| US5634951A | Additives for minimizing intake valve deposits, and their use | Chemistry; Metallurgy | 50 | Expired |
| US5514190A | Fuel compositions and additives therefor | Chemistry; Metallurgy | 35 | Expired |
| US5279626A | Enhanced fuel additive concentrate | Chemistry; Metallurgy | 32 | Expired |
| US5679116A | Compositions for control of induction system deposits | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5551957A | Compostions for control of induction system deposits | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5385588A | Enhanced hydrocarbonaceous additive concentrate | Chemistry; Metallurgy | 20 | Expired |
| US5405417A | Fuel compositions with enhanced combustion characteristics | Chemistry; Metallurgy | 18 | Expired |
| US8231695B2 | Fuel compositions comprising hydrocarbon oil carriers and methods for using the same | Emerging Cross-Sectional Technologies | 17 | Active |
| US7111591B2 | Method of improving the operation of combustion particulate filters | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5162049A | Middle distillate fuels and additives therefor | Chemistry; Metallurgy | 11 | Expired |
| US8778034B2 | Biodegradable fuel performance additives | Emerging Cross-Sectional Technologies | 10 | Active |
| US5215547A | Middle distillate fuels and additives therefor | Chemistry; Metallurgy | 5 | Expired |
| US4708993A | Cold flow improver and method of use thereof | Chemistry; Metallurgy | 5 | Expired |
| US10221267B2 | Microstructure-controlled copolymers of ethylene and C3-C10 alpha-olefins | Chemistry; Metallurgy | 2 | Active |
| US8292976B2 | Diesel fuel additive for reducing emissions | Chemistry; Metallurgy | 1 | Active |
| US5106975A | Hexahydropyrimidine derivatives | Chemistry; Metallurgy | 1 | Expired |
| US8852298B2 | Fuel composition containing iron and manganese to reduce spark plug fouling | Chemistry; Metallurgy | 0 | Active |
| US10584297B2 | Polyolefin-derived dispersants | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11091613B2 | Microstructure-controlled copolymers of ethylene and C3-C10 alpha-olefins | Chemistry; Metallurgy | 0 | Active |
| US9562498B2 | Biodegradable fuel performance additives | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.