Ulrich Lachmann
8Patents
5h-index
6Co-inventors
52Inventor score
Filing activity: Jan 16, 1981 → Aug 10, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5084674A | Circuit configuration having a pair of multi-Hall generator Hall sensors and high pass filter for contactless detection of the rpm of a rotating gear wheel | Physics | 38 | Expired |
| US5241267A | Rotation detector using differential hall sensor circuitry | Physics | 26 | Expired |
| US4651083A | Integrated constant current source | Physics | 12 | Expired |
| US5003363A | Circuit arrangement and apparatus for non-contacting reference value prescription for an integrated circuit enveloped within non-magnetic material | Electricity | 9 | Expired |
| US4369376A | Magnetic gate and method of production thereof | Electricity | 7 | Expired |
| US4394190A | Magnetic gate and method of production thereof | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4443275A | Method of producing a magnetic gate | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5039890A | Integratable filter circuit | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.