Gregory C. Andrews
34Patents
10h-index
36Co-inventors
75Inventor score
Filing activity: Apr 13, 1994 → Aug 23, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6115454A | High-performance X-ray generating apparatus with improved cooling system | Electricity | 37 | Expired |
| US6778636B1 | Adjustable x-ray beam collimator for an x-ray tube | Physics | 34 | Expired |
| US6519317B2 | Dual fluid cooling system for high power x-ray tubes | Electricity | 21 | Expired |
| US6400799B1 | X-ray tube cooling system | Electricity | 19 | Expired |
| US6519318B1 | Large surface area x-ray tube shield structure | Electricity | 17 | Expired |
| US6002745A | X-ray tube target assembly with integral heat shields | Electricity | 17 | Expired |
| US6480571B1 | Drive assembly for an x-ray tube having a rotating anode | Electricity | 16 | Expired |
| US7289603B2 | Shield structure and focal spot control assembly for x-ray device | Electricity | 16 | Expired |
| US7286644B2 | Systems, methods and devices for x-ray device focal spot control | Electricity | 12 | Expired |
| US7860219B2 | Cathode assembly with integral tabs | Electricity | 11 | Active |
| US6366642B1 | X-ray tube cooling system | Electricity | 10 | Expired |
| US5425067A | X-ray tube noise and vibration reduction | Electricity | 10 | Expired |
| US7174001B2 | Integrated fluid pump for use in an x-ray tube | Electricity | 8 | Expired |
| US7995708B2 | X-ray tube bearing shaft and hub | Electricity | 4 | Active |
| US6693990B1 | Low thermal resistance bearing assembly for x-ray device | Electricity | 4 | Expired |
| US7507026B2 | Systems, methods and devices for x-ray device focal spot control | Electricity | 3 | Active |
| US8000450B2 | Aperture shield incorporating refractory materials | Electricity | 3 | Active |
| US7688949B2 | X-ray tube cooling system | Electricity | 3 | Active |
| US6751292B2 | X-ray tube rotor assembly having augmented heat transfer capability | Electricity | 2 | Expired |
| US9648710B2 | High power X-ray tube housing | Electricity | 2 | Active |
| US8054945B2 | Evacuated enclosure window cooling | Electricity | 2 | Active |
| US11545332B1 | Anode shield | Electricity | 1 | Active |
| US8130910B2 | Liquid-cooled aperture body in an x-ray tube | Electricity | 1 | Active |
| US7486776B2 | Shield structure and focal spot control assembly for x-ray device | Electricity | 1 | Active |
| US10804064B2 | Magnetic lift device for an x-ray tube | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.