Martin Grumbach
6Patents
4h-index
15Co-inventors
46Inventor score
Filing activity: Jul 8, 1999 → Jan 23, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6155951A | Toroidal drive | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US6599216B1 | Gearbox unit | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7703348B2 | Device for controlling and/or regulating a hydraulically activatable shifting element of a gearing mechanism and a gearing mechanism | Emerging Cross-Sectional Technologies | 4 | Active |
| US7448975B2 | Transmission device for a vehicle | Emerging Cross-Sectional Technologies | 4 | Active |
| US7445573B2 | Transmission device of a vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
| US7905787B2 | Drive system for a motor vehicle | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.