Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Washington, NC ranks #12,141 worldwide for total patents filed all time, with 149 patents from 66 inventors. Leading employers of inventors based in Washington, NC include Pioneer Surgical Technology, North Carolina State University, Camfil Usa. That works out to 15.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 66 inventors

Rank Inventor Primary Company Patents
1 Richard Chris Klann Pioneer Surgical Technology 16
2 G. Craig Yencho North Carolina State University 11
3 Keith G. Woolard Camfil Usa 8
#4 George H. Cadwell, Jr. Flanders Filters 5
#4 James H. Van Dis 5
#4 Satish Dinakaran American Air Filter Company 5
#7 Kathryn King McEntee Rubbermaid Incorporated 4
#7 Kenneth Beacham American Air Filter Company 4
#7 Erik Andrew Durden Pioneer (Corteva) 4
#7 Tyrone Wilson John Deere 4
#11 Kimberly R. Stevens 3
#11 William Peebles Flanders Filters 3
#11 John L. Cherry, Sr. Camfil Farr 3
#11 Larry E. Bland, Jr. Camfil Usa 3
#11 Steven West Empire Brushes 3
#16 Douglas Robert Woodward The Aerospace 2
#16 Jeremiah Scott Foreman American Air Filter Company 2
#16 Joshua Ray Selby American Air Filter Company 2
#16 Scott L. Sachs IBM 2
#16 Al P. Gerard 2
#16 Donald L. Mason Burroughs Wellcome 2
#16 Robert V. Cramer Flanders Filters 2
#16 Harry Bailey, III 2
#16 Willie L. Williams 2
#16 James Van Dis 2
#16 Ronnie D. Smith Weyerhaeuser Nr 2
#16 Kathryn M. McEntee Tucker Housewares 2
#16 Gary H. Barwick 2
#16 Roderick E. Rathbun 2
#16 Tracy W. Mayo 2
#16 Russell Edward Krainiak Flanders Filters 2
#16 James M. Fortescue 2
#33 Michael Junior Spruill 1
#33 Raymond E. Sheler Texasgulf 1
#33 Ivey G. Thompson Flanders Filters 1
#33 Randy S. Dixon 1
#33 Eric Kelder Texasgulf 1
#33 William A. Henley 1
#33 Alan B. Schaffter 1
#33 Steven C. Mollison 1
#33 Walter S. Gust 1
#33 Sharon R. Woolard 1
#33 Timothy Mark McLawhorn 1
#33 Kenneth Hyman, Jr. 1
#33 Charles E. Parker, Jr. Unknown 1
#33 Carlton S. Carver 1
#33 Neal Woolard 1
#33 Morris E. Snyder 1
#33 Stephanie Woolard 1
#33 David Carver 1

Part of North Carolina