Stefan Wrede
12Patents
4h-index
6Co-inventors
49Inventor score
Filing activity: Aug 25, 2008 → Jul 9, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7997167B2 | Clamping and breaking device | Fixed Constructions | 15 | Active |
| US10384907B2 | Wireline system and methods of using same | Fixed Constructions | 15 | Active |
| US7779932B2 | Drill-string shock absorbers | Fixed Constructions | 6 | Active |
| US8028613B2 | Valve system for drilling systems | Emerging Cross-Sectional Technologies | 5 | Active |
| US7770668B2 | Modular rotary drill head | Fixed Constructions | 4 | Active |
| US8118113B2 | Hydraulic control system for drilling systems | Emerging Cross-Sectional Technologies | 4 | Active |
| US8408328B2 | Methods of controllling hydraulic motors | Emerging Cross-Sectional Technologies | 2 | Active |
| US7905299B2 | Articulation assembly for moving a drill mast | Fixed Constructions | 1 | Active |
| US8172002B2 | Methods of controlling hydraulic motors | Emerging Cross-Sectional Technologies | 1 | Active |
| US8113299B2 | Drill mast articulation assembly | Fixed Constructions | 0 | Active |
| US10919726B2 | Wireline system and methods of using same | Fixed Constructions | 0 | Active |
| US8118118B2 | Modular rotary drill head | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.