Robert E. Malec
21Patents
13h-index
1Co-inventors
67Inventor score
Filing activity: May 6, 1974 → Jun 1, 1983
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4426305A | Lubricating compositions containing boronated nitrogen-containing dispersants | Chemistry; Metallurgy | 74 | Expired |
| US4208190A | Diesel fuels having anti-wear properties | Mechanical Engineering; Lighting; Heating | 68 | Expired |
| US4231883A | Lubricant composition | Chemistry; Metallurgy | 37 | Expired |
| US4204481A | Anti-wear additives in diesel fuels | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4056531A | Polymonoolefin quaternary ammonium salts of triethylenediamine | Chemistry; Metallurgy | 29 | Expired |
| US4201684A | Lubricant composition of improved friction reducing properties | Chemistry; Metallurgy | 23 | Expired |
| US4248182A | Anti-wear additives in diesel fuels | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4025451A | Sulfurized mannich bases as lubricating oil dispersant | Chemistry; Metallurgy | 18 | Expired |
| US4058468A | Lubricant composition | Chemistry; Metallurgy | 16 | Expired |
| US4186102A | Lubricating oil composition | Chemistry; Metallurgy | 15 | Expired |
| US3957746A | Phospho-sulfurized phenolic aldehyde amine alkylene oxide condensation product | Chemistry; Metallurgy | 15 | Expired |
| US4108858A | Polyolefin quaternary pyridinium salts | Chemistry; Metallurgy | 14 | Expired |
| US4242099A | Fuel additive for diesel fuels | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4117011A | Additives | Chemistry; Metallurgy | 12 | Expired |
| US4222884A | Antioxidant | Chemistry; Metallurgy | 12 | Expired |
| US4198931A | Diesel fuel | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4278554A | Antioxidant | Chemistry; Metallurgy | 7 | Expired |
| US3992308A | Lubricating oil composition containing sulfurized reaction product of mixed tertiary alkyl phenols with formaldehyde | Chemistry; Metallurgy | 6 | Expired |
| US4374033A | Dispersant and lubricating oil containing the dispersant | Chemistry; Metallurgy | 6 | Expired |
| US4120803A | Lubricant composition containing a dispersant which is a condensation product of a copolymer, polyamine and a polycarboxylic acid | Chemistry; Metallurgy | 4 | Expired |
| US4065499A | Lubricant additive | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.