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

John R. Bookwalter — 23 Patents

CSCodman & Shurtleff: 8 patents #11 of 187Top 6%
FMFlexbar Machine: 4 patents #3 of 7Top 45%
SISpecialty Surgical Instrumentation: 2 patents #4 of 27Top 15%
Johnson & Johnson: 1 patents #4,783 of 7,810Top 65%
Brattleboro, VT: #3 of 82 inventorsTop 4%
Vermont: #338 of 4,968 inventorsTop 7%
Overall (All Time): #178,160 of 4,157,543Top 5%
23 Patents All Time
John R. Bookwalter has been granted 23 US patents while listed as an inventor at Codman & Shurtleff. The first was granted in 1981 and the most recent in September 2015. John R. Bookwalter ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list John R. Bookwalter in Brattleboro, VT, US.

Patents per Year

Patents granted per year, 1981 to 2015Bar chart with a peak of 6 patents in 1994.peak 61981: 1 patents19811983: 1 patents1984: 2 patents19841988: 1 patents1990: 1 patents19901992: 1 patents1994: 6 patents19941996: 1 patents1997: 1 patents19971998: 2 patents2001: 1 patents20012003: 2 patents2004: 1 patents20042014: 1 patents2015: 1 patents2015

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9125641 Three dimensional tilt rachet with self retaining mechanism Kevin Redmond 2015-09-08
8894029 Retractor ring holder Victor B. Agbodoe, Olaf Storz 2014-11-25
6808493 Adjustable ratchet retractor support apparatus Jonathan Adler, Bernd D. Ascher, Leonard Coraci, Jr. 2004-10-26
6620097 Three-dimensional tilt ratchet mechanism Rene J. Cabrera, John F. McMorrow, Kyle S. Moore, Nelson Torres 2003-09-16 $121,789,000
6530883 Surgical retractor assembly Rene J. Cabrera, Wesley C. Walker, Kenneth R. Hayes 2003-03-11 $174,909,000
6241659 Surgical retractor assembly with controlled rotation Rene J. Cabrera, Wesley C. Walker, Kenneth R. Hayes 2001-06-05 $202,714,000
D389913 Combined lap aroscopic tool holder and positioner David T. Adler 1998-01-27
D389242 Combined laphroscopic tool holder and positioner David T. Adler 1998-01-13
D388515 Combined laparoscopic tool holder and positioner David T. Adler 1997-12-30
5520608 Orthopaedic retractor blade Rene J. Cabrera, Joseph Chaudoin 1996-05-28 $35,807,000
5375481 Multi-position ratchet mechanism Rene J. Cabrera, Francisco A. Amaral, John Amaral 1994-12-27 $54,023,000
5365921 Flip-up sternal retractor William H. Bookwalter 1994-11-22
5356100 Sliding-fit operating table stabilizing post and rack William H. Bookwalter 1994-10-18
D349573 Quick-lock holder for laparoscopic instrument David T. Adler 1994-08-09
5320444 Enclosed surgical apparatus clamp William H. Bookwalter 1994-06-14
5320314 Built-in enclosed stabilizer post operating table clamp William H. Bookwalter 1994-06-14
D323390 Security clip for joining a feed line to a cannula Donald A. Paine, Virginia G. Paine 1992-01-21
4926877 Biopsy needle with completely closable cutting end bore 1990-05-22
4771492 Trip bar for hospital bed crib side Donald A. Paine 1988-09-20
4467791 Surgical retractor holder Rene J. Cabrera, George W. Guay 1984-08-28 $33,213,000
4424724 Multi-position ratchet mechanism Alan I. West 1984-01-10 $8,484,000
4421108 Surgical retractor holder Rene J. Cabrera, George W. Guay 1983-12-20 $12,403,000
4254763 Surgical retractor assembly James F. McCready, Roy W. Downing, George W. Guay 1981-03-10 $5,690,000