Inventor · Memphis, TN, US

B. Thomas Barker

29Patents
21h-index
35Co-inventors
85Inventor score

Filing activity: Feb 23, 1994 → Jan 31, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
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.