Timothy Pratt
14Patents
13h-index
16Co-inventors
75Inventor score
Filing activity: Aug 17, 1990 → May 15, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5100229A | Spatial positioning system | Physics | 186 | Expired |
| US5294970A | Spatial positioning system | Physics | 92 | Expired |
| US6501543B2 | Apparatus and method for determining position | Physics | 58 | Expired |
| US5110202A | Spatial positioning and measurement system | Physics | 56 | Expired |
| US5579102A | Transmitter and receiver units for spatial position measurement system | Physics | 54 | Expired |
| US6618133B2 | Low cost transmitter with calibration means for use in position measurement systems | Physics | 38 | Expired |
| US6545751B2 | Low cost 2D position measurement system and method | Physics | 34 | Expired |
| US6535282B2 | Position measurement system and method using cone math calibration | Physics | 32 | Expired |
| US6452668B1 | Rotating head optical transmitter for position measurement system | Physics | 29 | Expired |
| US5461473A | Transmitter and receiver units for spatial position measurement system | Physics | 28 | Expired |
| US5247487A | Spatial measurement recovery system | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6621565B2 | Rotating head optical transmitter for position measurement system | Physics | 23 | Expired |
| US6519029B1 | Low cost transmitter with calibration means for use in position measurement systems | Physics | 13 | Expired |
| US10381231B2 | Ion beam etching | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.