Helmut Knoell
7Patents
6h-index
5Co-inventors
56Inventor score
Filing activity: Feb 18, 1971 → Nov 13, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3948866A | Polymerization with the aid of macromolecule having both a monomer soluble portion and suspension soluble portion | Chemistry; Metallurgy | 46 | Expired |
| US4867894A | Pour point improving additives for mineral oils | Chemistry; Metallurgy | 44 | Expired |
| US4822508A | Shear stable multirange oils having an improved viscosity index | Chemistry; Metallurgy | 31 | Expired |
| US4968444A | Lubricating oil additives | Chemistry; Metallurgy | 23 | Expired |
| US5043087A | Addives for paraffinic lubricants | Chemistry; Metallurgy | 17 | Expired |
| US4622358A | Concentrated emulsions of olefin copolymers | Chemistry; Metallurgy | 9 | Expired |
| US4665121A | Concentrated emulsions of olefin copolymers | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.