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

Philip C. Walker — 12 Patents

SESelfix: 5 patents #8 of 51Top 20%
CSCodman & Shurtleff: 3 patents #34 of 187Top 20%
EMEasy Day Manufacturing: 2 patents #5 of 7Top 75%
AMAssurance Medical: 1 patents #6 of 11Top 55%
BDBlack & Decker: 1 patents #1,938 of 2,745Top 75%
Cambridge, MA: #939 of 8,183 inventorsTop 15%
Massachusetts: #10,639 of 88,656 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Philip C. Walker has been granted 12 US patents while listed as an inventor at Selfix. The first was granted in 1992 and the most recent in May 2000. Philip C. Walker ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Philip C. Walker in Cambridge, MA, US.

Patents per Year

Patents granted per year, 1992 to 2000Bar chart with a peak of 6 patents in 1999.peak 61992: 1 patents19921993: 2 patents19931997: 1 patents19971999: 6 patents19992000: 2 patents2000

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D425980 Hand-held tissue examination device Timothy E. Last, Brian Noble, Troy Roberts, Alan D. Ball, Thomas Swyst +1 more 2000-05-30
6058548 Removable cleaning element from mop Harold Footer, Alan D. Ball, Timothy J. Coonahan, David G. Honan 2000-05-09
6003187 Combination mop and wiper Harold Footer, Alan D. Ball, Timothy J. Coonahan, David G. Honan 1999-12-21
D417107 Corner shelf Shailesh Patel, David G. Honan, Andrew Phillip Tosh 1999-11-30
D416404 Cabinet Shailesh Patel, Michael Thuma, William Duncan Webb, II, David G. Honan, Andrew Phillip Tosh 1999-11-16
D414966 Shelf Shailesh Patel, Michael Thuma, William Duncan Webb, II, David G. Honan, Andrew Phillip Tosh 1999-10-12
D414961 Pole mounted shelf unit Shailesh Patel, Michael Thuma, William Duncan Webb, II, David G. Honan, Andrew Phillip Tosh 1999-10-12
D414633 Drawer Shailesh Patel, Michael Thuma, William Duncan Webb, II, David G. Honan, Andrew Phillip Tosh 1999-10-05
D387150 Portable fan Timothy J. Coonahan, Thomas Swyst 1997-12-02
5207692 Surgical clip applier with reciprocating clip sleeve and dual ratchet mechanism Robert G. Kraus, Herbert H. Loeffler, Frederick Faller, Richard Schneider, Charles Bridgham Worrick, III +1 more 1993-05-04 $60,348,000
D332491 Surgical clip applier Robert G. Kraus, Joseph J. Praderio 1993-01-12
D331462 Surgical clip Robert G. Kraus, Richard Schneider 1992-12-01