David Grennhag
4Patents
1h-index
7Co-inventors
37Inventor score
Filing activity: Oct 31, 2012 → Feb 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9789600B2 | Spacer for spacing a tool from a tool stand | Performing Operations; Transporting | 5 | Active |
| US11858052B2 | Drill unit with a motor unit and a gear unit | Performing Operations; Transporting | 0 | Active |
| US10704653B2 | Gearbox for a rack and pinion linear transmission and drillstand including a gearbox and a rack | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12377472B2 | Tool holding arrangement, thread insert, rotatable shaft and drill unit | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.