Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Waldorf, MD ranks #4,868 worldwide for total patents filed all time, with 554 patents from 199 inventors. Leading employers of inventors based in Waldorf, MD include US Air Force, US Navy, Carter Associates. That works out to 6.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 199 inventors

Rank Inventor Primary Company Patents
1 Walter J. Dressick US Air Force 42
2 Charles M. Roland US Air Force 27
3 Berend T. Jonker US Navy 26
#4 Ronald J. Tonucci US Air Force 21
#5 Simin Feng US Air Force 17
#6 Angel Diaz US Air Force 16
#7 Sam W. Carter Carter Associates 12
#8 Keith Chamberlain US Air Force 11
#9 James P. Hansen US Air Force 10
#10 Michael Craft Unknown 9
#10 Glenn G. Jernigan US Air Force 9
#10 John David Melius 9
#13 Steven L. Collignon US Air Force 8
#14 Samuel Carter US Navy 7
#15 David M. Rosenberg US Air Force 6
#15 Kevin R. Turbyfill US Army 6
#15 Clark K. Smith 6
#15 Mary H. Sherlock US Air Force 6
#19 Nancy C. Johnson US Air Force 5
#19 Kevin Genson US Air Force 5
#19 Aubrey Breon Farrar, Sr. Bank of America 5
#19 Joachim Kern United Therapeutics 5
#23 Joseph J. Dulcey US Air Force 4
#23 Richard Magno US Air Force 4
#23 Wade Babcock US Air Force 4
#23 John Bray US Dept of Homeland Security 4
#23 Daniel Gammon US Navy 4
#23 Ian D. Bibby Emc Ip Holding Company 4
#23 Lance A. Brown US Air Force 4
#23 John Rys-Sikora E.I. Du Pont De Nemours And 4
#23 Janine M. Rizer Research One Limited Partnership 4
#23 Deran S. Eaton US Air Force 4
#23 Randolph T. Johnson US Air Force 4
#23 Hugh C. DeLong US Air Force 4
#35 John David Washington 3
#35 David Levin Palco Labs 3
#35 Pablo Lopez US Air Force 3
#35 Vasant S. Joshi US Air Force 3
#35 Joseph F. Scates RTX (Raytheon) 3
#35 Chester F. Clark US Air Force 3
#35 Elizabeth J. Derrickson 3
#35 Daniel L. Reuter Sigma Systems 3
#35 Jonathan R. Ross US Air Force 3
#35 Terry M. Tritt Clemson University 3
#35 Douglas Elstrodt US Air Force 3
#35 Reginald J. Haley 3
#35 Roger E. Eyermann 3
#35 Charles Hebert 3
#35 Steven A. Policastro US Navy 3
#35 Christine Dianne Knott US Air Force 3

Part of Maryland