B. Thomas Barker
29Patents
21h-index
35Co-inventors
85Inventor score
Filing activity: Feb 23, 1994 → Jan 31, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6280442A | Multi-axial bone screw assembly | Human Necessities | 810 | Expired |
| US6660004B2 | Multi-axial bone screw assembly | Human Necessities | 611 | Expired |
| US5910141A | Rod introduction apparatus | Human Necessities | 444 | Expired |
| US6235028A | Surgical guide rod | Human Necessities | 419 | Expired |
| US6296642A | Reverse angle thread for preventing splaying in medical devices | Human Necessities | 374 | Expired |
| US6280445A | Multi-axial bone anchor system | Human Necessities | 312 | Expired |
| US6689133B2 | Multi-axial bone anchor system | Emerging Cross-Sectional Technologies | 269 | Expired |
| US6315779A | Multi-axial bone anchor system | Emerging Cross-Sectional Technologies | 229 | Expired |
| US6858031B2 | Multi-axial bone anchor system | Human Necessities | 200 | Expired |
| US6251111A | Jack for pulling a vertebral anchor | Human Necessities | 196 | Expired |
| US5947967A | Variable angle connector | Human Necessities | 195 | Expired |
| US5486176A | Angled bone fixation apparatus | Human Necessities | 188 | Expired |
| US7727261B2 | Multi-axial bone screw assembly | Human Necessities | 127 | Expired |
| US7326251B2 | Interbody fusion device | Human Necessities | 97 | Expired |
| US7252670B2 | Multi-axial bone anchor system | Emerging Cross-Sectional Technologies | 57 | Expired |
| US7377922B2 | Transfer ring for offset tapered 3D connector | Human Necessities | 49 | Expired |
| US7261715B2 | Grommet assembly | Human Necessities | 41 | Expired |
| US7951203B2 | Interbody fusion device | Human Necessities | 40 | Active |
| US8591589B2 | Interbody fusion device | Human Necessities | 39 | Active |
| US7575588B2 | Midline occipital vertebral fixation system | Human Necessities | 31 | Expired |
| US8613769B2 | Apparatus and method for supporting vertebral bodies | Human Necessities | 27 | Active |
| USRE43526E1 | Rod introduction apparatus | General | 19 | Active |
| US7563281B2 | Apparatus and method for supporting vertebral bodies | Human Necessities | 14 | Expired |
| US8012213B2 | Apparatus and method for supporting vertebral bodies | Human Necessities | 2 | Active |
| US12171588B2 | Sterile surgical implant holder | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.