Friedrich Lenhard
11Patents
5h-index
5Co-inventors
55Inventor score
Filing activity: Jun 26, 1995 → Apr 22, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7057485B2 | Current transformer for a compensating current sensor | Physics | 32 | Expired |
| US5565765A | Current sensor operating according to the compensation theorem | Physics | 9 | Expired |
| US6788046B2 | Compensation current sensor | Physics | 8 | Expired |
| US6388549B1 | Magnet core | Physics | 8 | Expired |
| US7358716B2 | Measuring method and measuring arrangement for measuring currents with a large dynamic range | Physics | 7 | Expired |
| US6713999B1 | Current sensor working in accordance with the compensation principle | Physics | 5 | Expired |
| US6218825A | Current sensor with self-oscillating generator circuit | Physics | 5 | Expired |
| US6177791A | Current sensor according to the compensation principle | Physics | 5 | Expired |
| US6078172A | Current-compensated current sensor for hysteresis-independent and temperature-independent current measurement | Physics | 4 | Expired |
| US9804203B2 | Compensation current sensor arrangement | Physics | 0 | Active |
| US8941373B2 | Current sensor arrangement | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.