Daniel Prudham
27Patents
16h-index
19Co-inventors
78Inventor score
Filing activity: Jan 3, 1990 → May 19, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5789917A | Magnetic position sensor with hall probe formed in an air gap of a stator | Physics | 60 | Expired |
| US5528139A | Magnetic position and speed sensor with hall probe in an air gap | Physics | 56 | Expired |
| US7028545B2 | Position sensor, designed in particular for detecting a steering column torsion | Physics | 50 | Expired |
| US5136194A | Single-phased compact linear electromagnetic actuator | Electricity | 49 | Expired |
| US5334893A | Monophase electromagnetic rotary actuator of travel between 60 and 120 degrees | Electricity | 48 | Expired |
| US5532585A | Position sensor incorporating a permanent magnet and a magnetism-sensitive probe and including primary and secondary air gaps | Physics | 41 | Expired |
| US4985652A | Single-phased angular electromagnetic actuator | Electricity | 40 | Expired |
| US5736797A | Linear oscillating motor | Electricity | 40 | Expired |
| US7589445B2 | Linear actuator comprising a brushless polyphase electric motor | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US6043645A | Magnetic position and speed sensor having a hall probe | Physics | 28 | Expired |
| US5880551A | Polyphase motor, particularly for driving an indicator needle | Electricity | 25 | Expired |
| US5298825A | Single phase electro-magnetic actuator with low obstruction | Electricity | 25 | Expired |
| US6043574A | Two-phase motor, particularly a time piece motor or a motor for driving the hand of a display | Physics | 24 | Expired |
| US7644635B2 | Position sensor which is intended, in particular, for measuring steering column torsion | Physics | 23 | Expired |
| US5512871A | Rotatable single-phase electromagnetic actuator | Electricity | 19 | Expired |
| US5521451A | Low-cost stepping or synchronous motor | Electricity | 19 | Expired |
| US7304450B2 | Motor-reduction unit switched on an absolute position signal | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US8102093B2 | Polyphase electric motor especially for driving pumps or ventilators | Electricity | 14 | Active |
| US6680597B1 | Method for setting a polyphase electric stepper motor | Electricity | 10 | Expired |
| US6853160B1 | Air conditioning valve actuator for a motor vehicle | Electricity | 8 | Expired |
| US8339003B2 | Gear motor including a compact multiple-phase electric motor | Electricity | 7 | Active |
| US7466092B2 | Polyphase motor | Electricity | 6 | Expired |
| US8860282B2 | Two-or three-phase polyphase motor with R pairs of poles and a stator with S trapeziodal shaped poles | Electricity | 5 | Expired |
| US7391205B2 | Angular position magnetic sensor device | Physics | 4 | Expired |
| US7432682B2 | Stepper motor stop and stalling detection method, and stop-detector-equipped stepper motor | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.