Gerhard Hartner
11Patents
3h-index
17Co-inventors
57Inventor score
Filing activity: Nov 30, 1993 → Mar 21, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6203649A | Method of manufacturing a flat friction ring | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6105234A | Method of producing a flat friction disk | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8746427B2 | Friction lamella | Emerging Cross-Sectional Technologies | 4 | Active |
| US5408736A | Process of manufacturing a friction ring for use in a clutch or brake | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6811820B2 | Friction lining for wet running | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8603273B2 | Method of producing a friction lining | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9410583B2 | Method for producing a friction element | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8734603B2 | Method for producing a friction element | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10465753B2 | Multi-plate clutch | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9982724B2 | Friction plate | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US5372793A | Process of manufacturing a friction ring for use in a clutch or brake | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.