Martin Sellen
9Patents
5h-index
14Co-inventors
56Inventor score
Filing activity: Oct 7, 1994 → Mar 21, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7061230B2 | Circuit and method for measuring distances | Physics | 48 | Expired |
| US5559431A | Method of calibrating a sensor | Physics | 18 | Expired |
| US7602175B2 | Non-contacting position measuring system | Physics | 10 | Expired |
| US6318153A | Non-contact film thickness gauging sensor | Human Necessities | 10 | Expired |
| US7345471B2 | Device and method for detecting the position and the velocity of a test object | Physics | 6 | Active |
| US7012462B2 | Demodulation circuit | Physics | 2 | Expired |
| US8198888B2 | Method and system for determining the distance between a profiled surface and a functional surface moving in relation thereto by using measurement coils and a reference coil | Physics | 2 | Active |
| US6999892B2 | Circuit arrangement and method for controlling and evaluating signal detectors | Physics | 1 | Expired |
| US7275015B2 | Method and device for determining motion parameters of a conductive, profiled surface | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.