Richard E. Cherpeck
89Patents
12h-index
26Co-inventors
84Inventor score
Filing activity: Nov 23, 1981 → Mar 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5300701A | Process for the preparation of polyisobutyl hydroxyaromatics | Chemistry; Metallurgy | 78 | Expired |
| US5393309A | Fuel additive compositions containing polyisobutenyl succinimides | Chemistry; Metallurgy | 51 | Expired |
| US5192335A | Fuel additive compositions containing poly(oxyalkylene) amines and polyalkyl hydroxyaromatics | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5620486A | Fuel compositions containing aryl succinimides | Chemistry; Metallurgy | 34 | Expired |
| US6033446A | Polyalkylpyrrolidines and fuel compositions containing the same | Chemistry; Metallurgy | 29 | Expired |
| US5916825A | Polyisobutanyl succinimides and fuel compositions containing the same | Chemistry; Metallurgy | 20 | Expired |
| US6660050B1 | Method for controlling deposits in the fuel reformer of a fuel cell system | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5993497A | Esters of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the same | Chemistry; Metallurgy | 14 | Expired |
| US5399178A | Mannich condensation products of polyalkylene hydroxyaromatic esters and fuel compositions containing the same | Chemistry; Metallurgy | 14 | Expired |
| US6114542A | Ethers of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the same | Chemistry; Metallurgy | 13 | Expired |
| US5669939A | Polyalkylphenoxyaminoalkanes and fuel compositions containing the same | Chemistry; Metallurgy | 13 | Expired |
| US5851242A | Fuel additive compositions containing polyalkylphenoxy-aminoalkanes and poly (oxyalkylene) amines | Chemistry; Metallurgy | 12 | Expired |
| US5407452A | Fuel compositions containing poly(oxyalkylene) aromatic esters | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5405419A | Fuel additive compositions containing an aliphatic amine, a polyolefin and a poly(oxyalkylene) monool | Chemistry; Metallurgy | 12 | Expired |
| US5516342A | Fuel additive compositions containing poly(oxyalkylene) hydroxyaromatic ethers and aliphatic amines | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5380345A | Polyalkyl nitro and amino aromatic esters and fuel compositions containing the same | Chemistry; Metallurgy | 11 | Expired |
| US5749929A | Fuel additive compositions containing aromatic esters of polyalkylphenoxyalkanols and poly (oxyalkylene) amines | Chemistry; Metallurgy | 11 | Expired |
| US5954843A | Aminocarbamates of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the same | Chemistry; Metallurgy | 11 | Expired |
| US5427591A | Poly(oxyalkylene) hydroxyaromatic esters and fuel compositions containing the same | Chemistry; Metallurgy | 10 | Expired |
| US5296003A | Polyesters of poly(oxyalkylene) hydroxyaromatic ethers | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5366517A | Fuel additive compositions containing poly(oxyalkylene) hydroxyaromatic ethers and poly(oxyalkylene) amines | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5409507A | Fuel compositions containing poly(oxyalkylene) aromatic ethers | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5569310A | Poly(oxyalkylene) hydroxyaromatic ethers and fuel compositions containing the same | Chemistry; Metallurgy | 9 | Expired |
| US5540743A | Polyalky and poly(oxyalkylene) benzyl amine esters and fuel compositions containing the same | Chemistry; Metallurgy | 8 | Expired |
| US5618320A | Aromatic esters of polyalkylphenoxyalkanols and fuel compositions containing the same | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.