Wolfgang Hellwig
5Patents
4h-index
12Co-inventors
54Inventor score
Filing activity: Oct 10, 1978 → Aug 9, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6437259B1 | Switch for a pop-up/sliding roof | Electricity | 14 | Expired |
| US4224553A | Gas discharge indicator device | Electricity | 12 | Expired |
| US7423568B2 | Sigma delta modulator | Electricity | 5 | Expired |
| US9063187B2 | Hall sensor element and method for measuring a magnetic field | Electricity | 4 | Active |
| US8378675B2 | Current sensor, current measuring module and method for measuring current | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.