Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Van Wert, OH ranks #15,241 worldwide for total patents filed all time, with 103 patents from 48 inventors. Leading employers of inventors based in Van Wert, OH include Eaton, Mitel, Crown Equipment. That works out to 9.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–48 of 48 inventors

Rank Inventor Primary Company Patents
1 Gregory A. Haunhorst Eaton 15
2 Chris Gorman Mitel 11
3 Brent A. Barnhart Crown Equipment 6
#4 Christopher E. Schadewald Parker-Hannifin 5
#4 Freedus McDermitt Honda Motor Co. 5
#6 Daniel B. Custis Advanced Biological Marketing 3
#6 Daniel Joseph Fry Pre Holding 3
#6 Dana K. Griffin 3
#6 Steven D. Haubert Eaton 3
#6 Tong S. Pak 3
#6 Merle A. Whetstone Aeroquip 3
#12 Tae S. Pak 2
#12 David T. Spease Teleflex Incorporated 2
#12 Gary G. Thatcher 2
#12 Michael J. Stemen Continental Ag 2
#12 Albert L. Grumelot Master Concepts 2
#12 Clint Kehres Biomet Manufacturing 2
#18 Leigh E. Eisenhauer 1
#18 Sean P. Ford Aeroquip 1
#18 Kenneth B. Linton 1
#18 Richard D. Stollsteimer 1
#18 Rachel C. Doctor Dana Automotive Systems Group 1
#18 Michael G. Arn Eaton 1
#18 Kenneth D. Linton 1
#18 Chet Wenninger Alliance Automation 1
#18 Thomas A. Greenawalt Aeroquip 1
#18 Jason A. Buehrer 1
#18 Joshua D. Buehrer 1
#18 Reggie E. Buehrer 1
#18 Harold E. Keller The Goodyear Tire & Rubber 1
#18 Mike T. Andersen 1
#18 Philip R. McClure 1
#18 Richard S. Hille, Jr. Aeroquip 1
#18 Philip R. Carey 1
#18 Tony L. Reynolds Aeroquip 1
#18 Andrew Bradley Aeroquip 1
#18 Ryan T. Jones International Truck Intellectual Property Company 1
#18 Douglas J. Heckler Aeroquip 1
#18 Michael Owen Carrier Eaton 1
#18 Daniel W. Johnsman International Truck Intellectual Property Company 1
#18 Stephen P. Wasserman Dana Limited 1
#18 Scott A. Etzler Aeroquip 1
#18 Kenneth L. Merkle Aeroquip 1
#18 James A. Bono The Budd 1
#18 Leonard Caulfield Teleflex Incorporated 1
#18 Paul R. DeWitt Aeroquip 1
#18 Gordon E. Etter The Goodyear Tire & Rubber 1
#18 Todd Markward Parker-Hannifin 1

Part of Ohio