William G. Thorburn
14Patents
7h-index
14Co-inventors
63Inventor score
Filing activity: Feb 24, 1995 → Jan 10, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5486923A | Apparatus for detecting relative movement wherein a detecting means is positioned in the region of natural interference | Physics | 57 | Expired |
| US5646730A | Relative movement detecting apparatus using a detector positioned in a region of natural interference | Physics | 29 | Expired |
| US7368705B2 | Absolute encoder employing linked sub-encoders and beat track | Physics | 23 | Active |
| US7321113B2 | Precision material-handling robot employing high-resolution, compact absolute encoder | Physics | 16 | Expired |
| US5783752A | Diffuse surface interference position sensor | Physics | 14 | Expired |
| US7126109B2 | Encoder scale error compensation employing comparison among multiple detectors | Physics | 11 | Expired |
| US7002137B2 | Reference point talbot encoder | Physics | 10 | Expired |
| US7324212B2 | Optical encoder having slanted optical detector elements for harmonic suppression | Physics | 7 | Active |
| US7067797B1 | Optical position encoder having alignment indicators providing quantitative alignment indications | Physics | 5 | Expired |
| US9933284B2 | Multi-track absolute encoder | Physics | 2 | Active |
| US7183537B2 | Rotary position sensor with offset beam generating element and elliptical detector array | Physics | 2 | Expired |
| US7253395B2 | Absolute encoder employing concatenated, multi-bit, interpolated sub-encoders | Physics | 2 | Expired |
| US7343693B2 | Scale assembly for optical encoder having affixed optical reference markers | Physics | 1 | Active |
| US12146771B2 | Rotary position encoder based on polarization | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.