David J. Martella
23Patents
8h-index
30Co-inventors
75Inventor score
Filing activity: Mar 14, 1984 → Jul 9, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5039437A | Alkyl phenol-formaldehyde condensates as lubricating oil additives | Chemistry; Metallurgy | 30 | Expired |
| US6750183B2 | Lubricating oil composition | Chemistry; Metallurgy | 14 | Expired |
| US6475963B1 | Carboxylate-vinyl ester copolymer blend compositions for lubricating oil flow improvement | Chemistry; Metallurgy | 11 | Expired |
| US6022494A | Process for decreasing the acid content and corrosivity of crudes | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5503643A | Substituted fullerenes as flow improvers | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5118875A | Method of preparing alkyl phenol-formaldehyde condensates | Chemistry; Metallurgy | 9 | Expired |
| US6054042A | Process for neutralization of petroleum acids using overbased detergents | Chemistry; Metallurgy | 8 | Expired |
| US5595963A | Synergistic antioxidant combinations for lubricating oils | Chemistry; Metallurgy | 8 | Expired |
| US6679987B1 | Process for decreasing the acid content and corrosivity of crudes | Chemistry; Metallurgy | 8 | Expired |
| US5262508A | Process for preparing alkyl phenol-sulfur condensate lubricating oil additives | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4728414A | Solvent dewaxing using combination poly (n-C.sub.24) alkylmethacrylate-poly (C.sub.8 -C.sub.20 alkyl (meth-) acrylate dewaxing aid | Chemistry; Metallurgy | 6 | Expired |
| US5082470A | Alkyl phenol-formaldehyde condensates as fuel additives | Chemistry; Metallurgy | 6 | Expired |
| US4632674A | Diesel fuel containing a tetrazole or triazole cetane improver | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5939365A | Lubricant with a higher molecular weight copolymer lube oil flow improver | Chemistry; Metallurgy | 5 | Expired |
| US4670130A | The use of dialkyl fumarate-vinyl acetate copolymers as dewaxing aids | Chemistry; Metallurgy | 5 | Expired |
| US5454961A | Substituted fullerenes as flow improvers | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4956492A | Dialkyl fumarate - vinyl acetate copolymers useful as dewaxing aids | Chemistry; Metallurgy | 4 | Expired |
| US5236608A | Alkyl phenol-sulfur condensates as fuel and lubricating oil additives | Chemistry; Metallurgy | 2 | Expired |
| US9518244B2 | Lubricant composition comprising a bi-modal side-chain distribution LOFI | Chemistry; Metallurgy | 2 | Active |
| US6583247B1 | Process for producing free radical polymerized copolymers | Chemistry; Metallurgy | 2 | Expired |
| US7300910B2 | Lubricating oil composition | Chemistry; Metallurgy | 1 | Expired |
| US4976882A | Alkyl phenol-sulfur condensates as fuel and lubricating oil additives | Chemistry; Metallurgy | 1 | Expired |
| US5268524A | Preparation of linear alkyl aromatics | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.