Peter Campbell
5Patents
5h-index
6Co-inventors
52Inventor score
Filing activity: Nov 4, 1987 → Sep 1, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4866382A | Magnetic rotary encoder system having a multi-element magnetoresistive sensor | Electricity | 22 | Expired |
| US5452153A | Servo controlled magnetic head positioner | Physics | 16 | Expired |
| US5545985A | Magnetoresistive position sensor including an encoder wherein the magnetization extends greater than 0.5 times the pole pitch below the surface | Physics | 16 | Expired |
| US5520058A | Magnetic reluctance flowmeter | Physics | 9 | Expired |
| US6244138A | Torque reaction device | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.