Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Dresher, PA ranks #4,677 worldwide for total patents filed all time, with 583 patents from 120 inventors. Leading employers of inventors based in Dresher, PA include Rohm And Haas, Tetralogic Pharmaceuticals, GE.

Showing 1–50 of 120 inventors

Rank Inventor Primary Company Patents
1 Barry Weinstein Rohm And Haas 68
2 Yijun Deng Tetralogic Pharmaceuticals 31
3 Michael C. Brown GE 29
#4 Kirk W. Limbach Rohm And Haas 24
#5 Thomas Wen-Fu Ku 20
#6 Weidong Xiao University of Pennsylvania 15
#6 Frank N. Chang Temple University 15
#8 Doree F. Sitkoff Bristol-Myers Squibb 14
#8 Chuen-Shyong Chou Rohm And Haas 14
#10 Emilio Emini Merck 13
#11 Solomon R. Pollack University of Pennsylvania 11
#12 Gil Beyda Advertising.Com 10
#13 Kambiz Pourrezaei Drexel University 9
#13 Xu-Fang Zhang Merck 9
#13 Craig R. Weggel Performance Controls 9
#13 David M. Conner Rohm And Haas 9
#17 Jason S. Chan Depuy Synthes Products 8
#17 William D. Doyle Kelsey-Hayes-Company 8
#17 James E. Foy Eisai R&D Management Co. 8
#20 Alberto Nunez USDA 7
#20 Daniel Solaiman USDA 7
#20 Fereydon Abdesaken Rohm And Haas 7
#20 John L. Giungo Photogenesis 7
#24 Yingzhe Li Johnson & Johnson 6
#24 John R. Richards Bicc Public Limited 6
#24 Kenneth D. Miller Kinematics 6
#27 Tsu-Fang Chen Sperry 5
#27 Zoran Obradovic Bank of America 5
#27 Fubao Wang Merck 5
#27 Daniel A. Rowcotsky Federal-Mogul Powertrain 5
#27 Albert M. Packman Dermik Laboratories 5
#27 Xufang Zhang Merck 5
#27 Mark S. Kramer Merck 5
#27 Francis M. Brick 5
#27 David E. Adler Rohm And Haas 5
#27 Robert E. Salomon Temple University 5
#27 Barry F. Stein Sperry 5
#27 Frank Patterson Smith, 2nd Litton Systems 5
#27 Kalman Broitman Hale Fire Pump 5
#40 Robert E. Dempski Merck 4
#40 John P. Waxler US Air Force 4
#40 Marvin Cohen 4
#40 John O. Naples Rohm And Haas 4
#44 Richard Weinblatt 3
#44 Avner Guez Kulicke & Soffa Investments 3
#44 Alexander M. Dizhoor Salus University 3
#44 Barry S. Snyder Rohm And Haas 3
#44 Lance Leopold Incyte 3
#44 John R. Wiese Federal Signal 3
#44 David P. Markman Emc Tech Co. 3

Part of Pennsylvania