Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Two Rivers, WI ranks #9,567 worldwide for total patents filed all time, with 213 patents from 59 inventors. Leading employers of inventors based in Two Rivers, WI include The Vollrath Company, L.L.C., Velocity, Manitowoc Foodservice Companies. That works out to 18.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 59 inventors

Rank Inventor Primary Company Patents
1 Mark V. LeGreve The Vollrath Company, L.L.C. 21
2 Mark E. Gerisch Velocity 14
2 Gregory McDougal Manitowoc Foodservice Companies 14
#4 Robert Martin Cryocath Technologies 12
#5 John E. Nordstrom Unknown 11
#6 Michael J. Wanek The Manitowoc Company 10
#7 David C. Pflieger Hamilton Industries 9
#8 Todd W. Kroscher Newell Operating 8
#8 Allan W. Rogne Megtec Systems 8
#10 Jeffrey J. Roberts Westinghouse Electric 7
#11 Phillip T. Olson Bio-Technical Resources 6
#12 Kenneth A. Spaeth 5
#12 Terry S. Casavant The Manitowoc Company 5
#12 Kevin M. Schwartz Clearwater International 5
#15 Marvin A. Juedes Formrite Companies 4
#15 William D. Christoffel American Hospital Supply 4
#15 Scott J. Shedivy Manitowoc Foodservice Companies 4
#18 John J. Jaschinski The Manitowoc Company 3
#18 Jeffrey H. Hoffman 3
#18 Jack O. Schoenberger Westinghouse Electric 3
#18 David F. Huempfner American Hospital Supply 3
#18 Brad A. Blaha Manitowoc Foodservice Companies 3
#18 Harry N. Grow Hamilton Industries 3
#24 Leah T. Nemetz Iowa State University 2
#24 Kenneth L. Cigler 2
#24 Jeff Hoffman Lehigh Defense 2
#24 Claude V. Koch Amf Gmbh 2
#24 Dave Severson Arkion Life Sciences 2
#24 Alan F. DeBauche Unknown 2
#24 Robert K. Silva The Manitowoc Company 2
#24 Gary D. Fredell Paragon Electric Company 2
#24 Harold L. Welhouse Anchor Hocking 2
#24 Robert Gauthier American Hospital Supply 2
#24 Wilbur E. Gilbert Hamilton Industries 2
#24 Ricky A. Cracraft Ariens 2
#36 Dennis I. Andress The Manitowoc Company 1
#36 Douglas A. Rippe American Hospital Supply 1
#36 Roy J. Petska 1
#36 Kyle Kozlowski 1
#36 James C. Collard Anchor Hocking 1
#36 Elsie C. Nelson 1
#36 Robert Steffes 1
#36 Colton Hardison 1
#36 Joshua D. Nigbor 1
#36 Mark Roloff The Manitowoc Company 1
#36 Richard L. Siehr The Manitowoc Company 1
#36 Edwin R. Morley Paragon Electric Company 1
#36 Dana Homb Dowco 1
#36 Terry Kust 1
#36 Andy Steiner 1

Part of Wisconsin