Steven G. Donnelly
29Patents
7h-index
12Co-inventors
66Inventor score
Filing activity: Jul 26, 1991 → Dec 2, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6806241B2 | Antioxidant additive compositions and lubricating compositions containing the same | Chemistry; Metallurgy | 19 | Expired |
| US5599779A | Synergistic rust inhibitors and lubricating compositions | Chemistry; Metallurgy | 19 | Expired |
| US6046144A | Combination of phosphate based additives and sulfonate salts for hydraulic fluids and lubricating compositions | Chemistry; Metallurgy | 12 | Expired |
| US6743759B2 | Antioxidant, antiwear/extreme pressure additive compositions and lubricating compositions containing the same | Chemistry; Metallurgy | 12 | Expired |
| US5576273A | Lubricating compositions containing bismuth compounds | Chemistry; Metallurgy | 11 | Expired |
| US7763744B2 | Molybdenum dialkyldithiocarbamate compositions and lubricating compositions containing the same | Chemistry; Metallurgy | 8 | Active |
| US8093190B2 | Lubricant antioxidant compositions containing a metal compound and a hindered amine | Chemistry; Metallurgy | 8 | Active |
| US5177212A | Phenolic derivatives of 2,5-dimercapto-1,3,4-thiadiazoles | Chemistry; Metallurgy | 7 | Expired |
| US6235686A | Lubricating compositions containing aromatized 1,2-dihydro-2,2,4-trimethylquinoline polymers | Chemistry; Metallurgy | 6 | Expired |
| US7763574B2 | Lubricating compositions containing synthetic ester base oil, molybdenum compounds and thiadiazole-based compounds | Chemistry; Metallurgy | 5 | Active |
| US5840664A | Preparation of bismuth dithiocarbamates | Chemistry; Metallurgy | 5 | Expired |
| US5391756A | Aromatic amine derivatives of 2,5-dimercapto-1,3,4,-thiadiazoles | Chemistry; Metallurgy | 5 | Expired |
| US6017858A | Synergistic organomolybdenum compositions and lubricating compositions containing same | Chemistry; Metallurgy | 5 | Expired |
| US6369005B1 | Synergistic organomolybdenum compositions and lubricating compositons containing the same | Chemistry; Metallurgy | 4 | Expired |
| US7598211B2 | Synergistic organoborate compositions and lubricating compositions containing same | Chemistry; Metallurgy | 4 | Expired |
| US7875579B2 | Lubricant antioxidant compositions containing a metal compound and a hindered amine | Chemistry; Metallurgy | 4 | Active |
| US5631214A | Preparation of bismuth dithiocarbamates | Chemistry; Metallurgy | 4 | Expired |
| US7902131B2 | Antioxidant synergist for lubricating compositions | Chemistry; Metallurgy | 4 | Active |
| US5628802A | Fuel compositions containing organic molybdenum complexes | Chemistry; Metallurgy | 3 | Expired |
| US7879777B2 | Antioxidant additive for lubricant compositions, comprising organotungstate, diarylamine and organomolybdenum compounds | Chemistry; Metallurgy | 2 | Active |
| US5637251A | Functional additive composition based on organic amine salts for coolants | Chemistry; Metallurgy | 2 | Expired |
| US7858565B2 | Antioxidant additive for lubricant compositions, comprising organotungstate | Chemistry; Metallurgy | 1 | Active |
| US7897549B2 | Synergistic organoborate compositions and lubricating compositions containing same | Chemistry; Metallurgy | 1 | Active |
| US9637704B2 | Polyalkylene glycol-based industrial lubricant compositions | Chemistry; Metallurgy | 0 | Active |
| US9546340B2 | Ultra low phosphorus lubricant compositions | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.