Bardo Koppmann
16Patents
4h-index
23Co-inventors
60Inventor score
Filing activity: Sep 23, 1988 → Aug 7, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5986528A | Electrical switching device | Electricity | 15 | Expired |
| US7760055B2 | Method and device for the secure operation of a switching device | Electricity | 12 | Expired |
| US5825269A | Electromagnetic switchgear | Electricity | 5 | Expired |
| US4876522A | Electromagnetic switchgear | Electricity | 4 | Expired |
| US6054911A | Electrical switching device | Electricity | 3 | Expired |
| US8305170B2 | Electromagnetic switching device having a plurality of areas graduated relative to one another | Electricity | 3 | Active |
| US7978036B2 | Method and device for the secure operation of a switching device | Electricity | 2 | Active |
| US6870450B2 | Electromagnetic switching device, in particular a contactor | Electricity | 2 | Expired |
| US5724018A | Device with four-legged coil | Electricity | 2 | Expired |
| US6750746B2 | Electromagnetic switching device, especially contractor, with a contact bridge support lock | Electricity | 1 | Expired |
| US8243409B2 | Protective device and method for its operation | Electricity | 0 | Active |
| US9559525B2 | Network monitoring device | Emerging Cross-Sectional Technologies | 0 | Active |
| US7872552B2 | Method and device for the secure operation of a switching device | Electricity | 0 | Active |
| US6597267B2 | Electromagnetic switching device, for example, contactor | Electricity | 0 | Expired |
| US6747232B1 | Vacuum contactor | Electricity | 0 | Expired |
| US6420951B1 | Sintered armature | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.