Gerhard Kuhner
10Patents
8h-index
16Co-inventors
69Inventor score
Filing activity: Jan 4, 1978 → Sep 25, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4366139A | Process for the production of water containing carbon black preparations | Chemistry; Metallurgy | 51 | Expired |
| US6099818A | Carbon blacks and process for producing them | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4439401A | Process and apparatus for the production of carbon black | Chemistry; Metallurgy | 25 | Expired |
| US4442163A | Resorcinol-filler preparation, process for the production and use of the same | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4435378A | Process for removing extractable substances from carbon black | Chemistry; Metallurgy | 16 | Expired |
| US4366138A | Carbon black useful for pigment for black lacquers | Chemistry; Metallurgy | 13 | Expired |
| US4221772A | Carbon black for lacquers and pigments | Chemistry; Metallurgy | 12 | Expired |
| US4636375A | Process for producing furnace blacks of variable carbon black structure | Chemistry; Metallurgy | 11 | Expired |
| US4381949A | Resorcinol-filler preparation, process for the production and use of the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4430280A | Process for the production of mixed granulate from carbon black and light filler | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.