Rolf Dickhoff
6Patents
3h-index
11Co-inventors
46Inventor score
Filing activity: Mar 6, 2002 → Feb 15, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD632694S1 | Holder for a memory card | General | 9 | Expired |
| US6570272B2 | Safety switching device for connection and safe disconnection of an electrical load, in particular an electrically driven machine | Electricity | 8 | Expired |
| US6809911B2 | Safety switching device for safely switching off an electrical load | Electricity | 5 | Expired |
| US7948121B2 | Safety switching apparatus | Electricity | 2 | Active |
| US6777830B1 | System for reliable prevention of the restarting of a machine | Electricity | 2 | Expired |
| US8212431B2 | Safety switching apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.