David Ely
27Patents
19h-index
17Co-inventors
74Inventor score
Filing activity: May 15, 1995 → Jun 13, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6888538B2 | Position sensor | Physics | 201 | Expired |
| US6522128B1 | Position sensor having compact arrangement of coils | Electricity | 177 | Expired |
| US6534970B1 | Rotary position sensor and transducer for use therein | Physics | 168 | Expired |
| US6304014A | Motor control system | Physics | 148 | Expired |
| US6489899B1 | Position detector | Physics | 145 | Expired |
| US7030782B2 | Position detector | Physics | 130 | Expired |
| US6705511B1 | Transducer and method of manufacture | Physics | 130 | Expired |
| US6788221B1 | Signal processing apparatus and method | Electricity | 123 | Expired |
| US5815091A | Position encoder | Physics | 117 | Expired |
| US6249234A | Position detector | Physics | 112 | Expired |
| US6118271A | Position encoder using saturable reactor interacting with magnetic fields varying with time and with position | Electricity | 105 | Expired |
| US7133793B2 | Magnetic calibration array | Physics | 102 | Expired |
| US8120371B2 | Object position sensing apparatus | Physics | 47 | Active |
| US7250587B2 | Method for simultaneously toasting bread and steaming | Human Necessities | 47 | Expired |
| US7250588B2 | Combination bread toaster and steamer device | Human Necessities | 45 | Expired |
| US7019672B2 | Position sensor | Physics | 43 | Expired |
| US7812268B2 | Digitizer system | Physics | 39 | Active |
| US7406393B2 | Position sensor | Physics | 37 | Expired |
| US5614824A | Harmonic-based verifier device for a magnetic security thread having linear and non-linear ferromagnetic characteristics | Physics | 25 | Expired |
| US8022317B2 | Digitizer system | Physics | 19 | Active |
| US7907130B2 | Signal transfer method and apparatus | Physics | 17 | Expired |
| US6980134B2 | Signal processing apparatus and method | Electricity | 13 | Expired |
| US8243033B2 | Position sensor | Physics | 7 | Active |
| US8570028B2 | Transducer for a position sensor | Physics | 6 | Active |
| US8624847B2 | Transducer | Physics | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.