Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Salisbury, MD ranks #4,060 worldwide for total patents filed all time, with 701 patents from 232 inventors. Leading employers of inventors based in Salisbury, MD include Ford, Bracco Research S.A., Ppg Industries. That works out to 21.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 232 inventors

Rank Inventor Primary Company Patents
1 Thomas O. Perdue 27
2 James Victor Jones Ford 23
2 Robert E. Maine, Jr. 23
#4 Mark E. Gabbard Bracco Research S.A. 18
#4 Gregorio M. Belloso 18
#6 Robert B. Heithoff Ppg Industries 17
#7 Chin Soo Park Lab Products 16
#8 Rafael S. Correa Avitech 15
#9 James H. Godsey American Home Products Corp. (Del) 14
#9 Robert C. Gill US Air Force 14
#11 John A. Todd Dresser Industries 12
#12 Paul W. Proctor US Air Force 11
#12 Eugene B. Silverman Berkeley Springs Instruments 11
#12 Jeffrey D. Benner Drug Delivery Co., Llc. 11
#12 Timothy J. Gabbard Bracco Research S.A. 11
#16 Michael R. Llewellyn Lwrc International 10
#16 Rafi Hershtig K & L Microwave 10
#16 Jeffrey D. Ulchak 10
#19 Lori W. Tigani Givaudan Sa 8
#19 Edward G. Bounds, Jr. 8
#21 Frederick J. Policelli Hercules 7
#21 Samuel Eubanks Reckley The Goodyear Tire & Rubber 7
#21 Jerome B. Thompson 7
#21 Chris Rowe Taitt US Air Force 7
#21 Edward H. Covell, III Unknown 7
#26 Minn-Shong Chi Thiokol 6
#26 Robert George Spalding Dresser Industries 6
#26 William F. Geraghty Rockland 6
#26 John K. Groetzinger Ppg Industries 6
#26 Patrick Joseph King The Goodyear Tire & Rubber 6
#26 Victor P. Amoruso Corvis 6
#26 Peter R. Sebastian 6
#26 Steven K. Shibata E.I. Du Pont De Nemours And 6
#26 Robert L. Crump The Goodyear Tire & Rubber 6
#26 Charles King Optotune Ag 6
#36 Timothy Keller Dresser Industries 5
#36 Gerrit T. Sutherland US Air Force 5
#36 Yuanwei Jin Carnegie Mellon University 5
#36 Mervyn Johnston Dresser Industries 5
#36 Dasan Potti 5
#41 Richard G. Bisker Dresser Industries 4
#41 Jagmohan Joshi University Of Maryland Eastern Shore 4
#41 Hung-Tai Chao Westvaco 4
#41 Pete Bugas 4
#41 John Gilbert Van Nieuwal The Goodyear Tire & Rubber 4
#41 J. Andrew Phillips, Jr. 4
#41 Mark S. Cavin Ipr Licensing 4
#41 Marvin Jones RTX (Raytheon) 4
#41 Niels Melhede Superfos A/S 4
#41 James McSherry Williams The Goodyear Tire & Rubber 4

Part of Maryland