Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BB

B. Thomas Barker — 29 Patents

SDSdgi: 13 patents #15 of 210Top 8%
WOWarsaw Orthopedic: 9 patents #172 of 894Top 20%
INIngeniumspine: 4 patents #3 of 7Top 45%
SRSmith & Nephew Richards: 1 patents #60 of 116Top 55%
WOWarsaw Orhtopedic: 1 patents #2 of 24Top 9%
Memphis, TN: #43 of 1,908 inventorsTop 3%
Tennessee: #399 of 20,272 inventorsTop 2%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
B. Thomas Barker has been granted 29 US patents while listed as an inventor at Sdgi. The first was granted in 1996 and the most recent in December 2024. B. Thomas Barker ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list B. Thomas Barker in Memphis, TN, US.

Patents per Year

Patents granted per year, 1996 to 2024Bar chart with a peak of 6 patents in 2001.peak 61996: 1 patents19961999: 2 patents2001: 6 patents20012003: 1 patents2004: 1 patents20042005: 1 patents2007: 2 patents20072008: 2 patents2009: 2 patents20092010: 1 patents2011: 2 patents20112012: 1 patents2013: 2 patents20132014: 1 patents2024: 4 patents2024

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12171588 Sterile surgical implant holder David L. Brumfield, Murali Kadaba, Dennis Crandall 2024-12-24
12076252 Lordotic intervertebral spacer with ratchet locking mechanism and integral expansion mechanism Murali Kadaba, Damien Shulock, Dennis Crandall, Jason Datta 2024-09-03
12011370 Expandable vertebral spacer with four locking mechanisms Murali Kadaba, Damien Shulock, Dennis Crandall, Jason Datta, Lyle Young 2024-06-18
11925491 Sterile surgical implant holder David L. Brumfield, Murali Kadaba, Dennis Crandall 2024-03-12
8668724 Grommet assembly Alan Rezach, Matthew M. Morrison, Terry Sites, Joshua Beery, Harold S. Taylor +1 more 2014-03-11
8613769 Apparatus and method for supporting vertebral bodies William R. Sears 2013-12-24
8591589 Interbody fusion device Peter McCombe, William R. Sears, David Warmbold, Russell Powers 2013-11-26
RE43526 Rod introduction apparatus Matthew M. Morrison, Eric A. Loveless, David L. Brumfield, Catalina J. Carroll, David Miller +1 more 2012-07-17
8012213 Apparatus and method for supporting vertebral bodies William R. Sears 2011-09-06
7951203 Interbody fusion device Peter McCombe, William R. Sears, David Warmbold, Russell Powers 2011-05-31
7727261 Multi-axial bone screw assembly John Stewart Young, Craig Squires, David L. Brumfield, Chris E. Johnson, Dennis J. Buchanan 2010-06-01
7575588 Midline occipital vertebral fixation system Eric S. Heinz, Ian Farey 2009-08-18
7563281 Apparatus and method for supporting vertebral bodies William R. Sears 2009-07-21
7377922 Transfer ring for offset tapered 3D connector 2008-05-27
7326251 Interbody fusion device Peter McCombe, William R. Sears, David Warmbold, Russell Powers 2008-02-05
7261715 Grommet assembly Alan Rezach, Matthew M. Morrison, Terry Sites, Joshua Beery, Harold S. Taylor +1 more 2007-08-28
7252670 Multi-axial bone anchor system Matthew M. Morrison, John Stewart Young, Jeffrey W. Beale, Chris E. Johnson 2007-08-07
6858031 Multi-axial bone anchor system Matthew M. Morrison, John Stewart Young, Jeffrey W. Beale, Chris E. Johnson 2005-02-22
6689133 Multi-axial bone anchor system Matthew M. Morrison, John Stewart Young, Jeffrey W. Beale, Chris E. Johnson 2004-02-10
6660004 Multi-axial bone screw assembly John Stewart Young, Craig Squires, David L. Brumfield, Chris E. Johnson, Dennis J. Buchanan 2003-12-09
6315779 Multi-axial bone anchor system Matthew M. Morrison, John Stewart Young, Jeffrey W. Beale, Chris E. Johnson 2001-11-13
6296642 Reverse angle thread for preventing splaying in medical devices Matthew M. Morrison, Craig Squires 2001-10-02
6280442 Multi-axial bone screw assembly John Stewart Young, Craig Squires, David L. Brumfield, Chris E. Johnson, Dennis J. Buchanan 2001-08-28
6280445 Multi-axial bone anchor system Matthew M. Morrison, John Stewart Young, Jeffrey W. Beale, Chris E. Johnson 2001-08-28
6251111 Jack for pulling a vertebral anchor Thomas Zdeblick 2001-06-26