Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Douglas, MA ranks #7,035 worldwide for total patents filed all time, with 336 patents from 58 inventors. Leading employers of inventors based in Douglas, MA include Dell Products, Waters Technologies, Illinois Tool Works.

Showing 1–50 of 58 inventors

Rank Inventor Primary Company Patents
1 Erik P. Smith Dell Products 41
2 Wade P. Leveille Waters Technologies 33
3 Michael Ferrari Dell Products 26
#4 William A. Losiewicz Illinois Tool Works 21
#5 David G. Kmetz Jetstream Wine Technologies 19
#6 Marc E. Lemelin Waters Technologies 17
#7 David Briggs Climax Portable Machine Tools 12
#8 Robert A. Mateer, Jr. Chromaceutical Advanced Technologies 10
#8 Ronald J. Forget Illinois Tool Works 10
#8 Thomas Shilale Avery Dennison 10
#11 Andrew James Whitney Boston Scientific Scimed 8
#11 Brandon Paul Emc 8
#11 Mark J. Buller 8
#14 Alfred Genis Apollo Diamond 7
#15 William F. Peck IBM 6
#15 Steven W. Hall Speedline Technologies 6
#15 Robert A. Hutnak Zih 6
#18 Philip W. Cenedella Gerber Systems 5
#18 Michael DeRose, IV Tyco Safety Products Canada 5
#18 Tyrel Waagen Karl Storz Endovision 5
#18 William Petrocelli Thomas & Betts International 5
#18 James L. Lampen RTX (Raytheon) 5
#18 Lennart G. Petersson Iba Gmbh 5
#24 William R. Fairchild Emc 4
#24 Macdonald J. Andrews RTX (Raytheon) 4
#24 Brent Dorval Intracel Holdings 4
#27 Paul L. Hainey Texas Instruments 3
#27 Barbara Van Reed 3
#27 Jesse Speckhard Seagate Technology 3
#27 Donald McCallum Wright Line 3
#31 Michael Ferrari 2
#31 Brad Corey Maltz Emc Ip Holding Company 2
#31 Jessica Spratt 2
#31 Ronald Gadbois NVIDIA 2
#31 Kevin P. Lemire Medical Scientific 2
#31 Tracy L. Abady 2
#37 Merritt D. Tetreault 1
#37 Keith A. Bemis 1
#37 Karen Thorson Waters Technologies 1
#37 Kimberly R. Briggs 1
#37 John Morini Speedline Technologies 1
#37 David E. Hyland Sensata Technologies 1
#37 Jehad K. Masoud 1
#37 Brett W. Allen Helix Technology 1
#37 Michelle Hall Quantum 1
#37 Mark W. Ackerman Quantum 1
#37 John B. Bertolet 1
#37 Kenneth Rawlings A.T.X. International 1
#37 Edward P. Lariviere Nelmor Company 1
#37 Robert Cesar Muniz Rgb Systems 1

Part of Massachusetts