Martin Ehrmann
7Patents
2h-index
10Co-inventors
48Inventor score
Filing activity: Jul 1, 1996 → Dec 6, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5847475A | Method of correction between electrical phase angle and mechanical output angle of stepper motor | Physics | 13 | Expired |
| US6364004B1 | Cooling fan, in particular a radiator fan for motor vehicles | Electricity | 10 | Expired |
| US10787088B2 | Vehicle electrical system with inverter, energy store, electrical machine and DC transmission terminal | Emerging Cross-Sectional Technologies | 1 | Active |
| US8924179B2 | Assembly and method for determining an angular position | Physics | 0 | Active |
| US10994618B2 | Vehicle electrical system with inverter, energy store, electrical machine and ac transmission terminal | Emerging Cross-Sectional Technologies | 0 | Active |
| US9696385B2 | Apparatus for detecting the state of a rechargeable battery to be checked | Emerging Cross-Sectional Technologies | 0 | Active |
| US11342845B2 | Method for switching a bi-directional voltage converter | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.