John K. Grady
36Patents
13h-index
9Co-inventors
74Inventor score
Filing activity: Jun 5, 1978 → May 25, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6131690A | Motorized support for imaging means | Human Necessities | 142 | Expired |
| US4362970A | Energy conserving electrical power control circuit | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6789941B1 | Dual C-arm angiographic device for flat panel receptor | Human Necessities | 39 | Expired |
| US4365343A | Counterweighted X-ray tube | Human Necessities | 35 | Expired |
| US4363128A | X-Ray drive apparatus | Human Necessities | 33 | Expired |
| US4649560A | Digital X-ray stand | Human Necessities | 30 | Expired |
| US4534051A | Masked scanning X-ray apparatus | Electricity | 27 | Expired |
| US4426725A | Biplanar variable angle X-ray examining apparatus | Human Necessities | 27 | Expired |
| US4896344A | X-ray video system | Human Necessities | 26 | Expired |
| US4823371A | X-ray tube system | Electricity | 22 | Expired |
| US6979779B2 | Square electrical outlet box with exterior clamp shelves for holding electrical cables | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4541108A | X-Ray apparatus with tilting table | Human Necessities | 19 | Expired |
| US4756016A | Asymmetric X-ray stand | Human Necessities | 17 | Expired |
| US5052036A | X-ray stand with laterally inclined rotation axis | Human Necessities | 13 | Expired |
| US7135686B1 | Low noise x-ray detector for fluoroscopy | Physics | 11 | Expired |
| US4875227A | Anti-scatter grid system | Physics | 11 | Expired |
| US4162420A | X-ray tube having rotatable and reciprocable anode | Electricity | 10 | Expired |
| US4829552A | Anti-scatter grid system | Physics | 9 | Expired |
| US7300205B2 | Angio capable portable x-ray fluoroscopy unit with sliding C-arm and variable pivot | Human Necessities | 9 | Active |
| US4322623A | Mobile X-ray apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4504859A | Multiple X-ray image scanners | Electricity | 7 | Expired |
| US4807269A | Apparatus for powering x-ray tubes | Electricity | 7 | Expired |
| US4879737A | Articulated X-ray stand arm | Human Necessities | 7 | Expired |
| US5724402A | X-ray system with image directing optics | Human Necessities | 7 | Expired |
| US4399551A | X-Ray tube having rotatable transversely oscillatory anode | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.