Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Dover, NH ranks #2,739 worldwide for total patents filed all time, with 1,121 patents from 261 inventors. Leading employers of inventors based in Dover, NH include Mardil, Heidelberg Druckmaschinen, Verizon. That works out to 34.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 261 inventors

Rank Inventor Primary Company Patents
1 Karl R. Leinsing Mardil 42
1 Richard Daniel Curley Heidelberg Druckmaschinen 42
3 Walter Clark Milliken Verizon 38
#4 Richard D. Rhodes, Jr. Davidson Textron 25
#5 Mark Stoykovich University Of Illinois 24
#5 Scott M. Filion Velcro Industries B.V. 24
#7 Roger R. Belanger Heidelberg Harris 22
#7 Vaclav O. Podany Johnson & Johnson 22
#9 Douglas Joseph Dawley Goss International Americas 20
#10 William M. Humphrey Davidson Textron 17
#10 Brian Lee Strother Tbl Licensing 17
#12 James Richard Belanger Heidelberg Druckmaschinen 16
#13 Walter King Mayo Foundation 15
#13 Timothy D. Lindsay Bescorp. 15
#15 Thurman Carlo Dabbs RTX (Raytheon) 14
#16 Craig B. Labrie Textron Automotive Company 13
#16 Benjamin Dodson Mux 13
#16 Patrick Kenny Microsoft 13
#16 Chi Lam Yau Lucky Litter 13
#20 Patrick J. Horan GE 12
#20 Lawrence R. Nichols Davidson Textron 12
#22 Richard D. Sedgewick Airex Co. 11
#23 Michael Paul Shevenell Ca 10
#23 Marc J. Celona Wilcox Industries 10
#23 Robert M. Pimpis Gould 10
#23 Colin Frost Davidson Textron 10
#23 Rajiv D. Katwala Hubbell Incorporated 10
#28 Kyle Albert Sandahl Goss International Americas 9
#28 Gary A. Treadwell Beswick Engineering 9
#28 Edward Hinton Hyland Software 9
#28 Michael P. Dallaire W.R. Grace & Co.-Conn. 9
#28 Harold W. Swenson Davidson Textron 9
#28 Charles Reif Hammond Goss International Americas 9
#28 Scott Rafferty Davidson Textron 9
#28 Ulrich B. Goerke Texas Instruments 9
#36 Alexander Brown Motional Ad 8
#36 Travis S. Mitchell Wilcox Industries 8
#38 John James Sposato, Jr. Goss International Americas 7
#38 Thomas Beal Wastech International 7
#38 Lawrence Edward Zagar Goss International Americas 7
#38 Michael Lee Hearn Goss International Americas 7
#38 Sean Glerum Bottomline Technologies 7
#38 Brock Gilbertson Albany Engineered Composites 7
#44 Kevin C. Gall Motional Ad 6
#44 Gene M. Ciancaglini Netapp 6
#44 Leslie Rosenau GE 6
#44 Douglas Nobbs Parker-Hannifin 6
#44 Alfred T. Poliquin Davidson Textron 6
#44 Bert Appleton Spiller Tbl Licensing 6
#44 Christian D. Poulin Unknown 6

Part of New Hampshire