David Fricker
8Patents
2h-index
15Co-inventors
48Inventor score
Filing activity: Oct 13, 1988 → Jan 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7589522B2 | Method and apparatus for contactless detection of the rotational angle of a rotatable element | Physics | 7 | Active |
| US4904892A | Spindles for a spinning machine with individual drives | Performing Operations; Transporting | 2 | Expired |
| US8981693B2 | Method and apparatus for determining a zero crossing of a phase current of an electronically commutated electrical machine, in particular for determining a rotor position of the electrical machine | Physics | 1 | Active |
| US8659247B2 | Control device and method for controlling an electronically commutated motor, and motor | Electricity | 1 | Active |
| US10101146B2 | Method and device for the sensor-free position determination of an electronically commutated electric machine | Electricity | 0 | Active |
| US12132744B2 | Method for processing web requests | Electricity | 0 | Active |
| US9285428B2 | Method or voltage detection system for determining a correction parameter for a measurement channel and for detecting a terminal voltage of an electric motor | Physics | 0 | Active |
| US11296636B2 | Method for operating an electrically commutated machine | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.