Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Welland, CA ranks #10,648 worldwide for total patents filed all time, with 183 patents from 79 inventors. Leading employers of inventors based in Welland, CA include John Deere, Malvern Panalytical Limited, Enedym.

Showing 1–50 of 79 inventors

Rank Inventor Primary Company Patents
1 Mervin P. Kizlyk John Deere 16
2 Radu T. Guja John Deere 13
3 Mark H. Nicholls Malvern Panalytical Limited 12
3 Berker Bilgin Enedym 12
#5 Edward T. Kaczmarczyk John Deere 9
#6 Bob Claus Haun Drop Forge Co. 6
#6 Daniel R. Fuzzen John Deere 6
#6 Nicolaas SMIT Safeguard Biosystems Holdings 6
#9 David A. Willer John Deere 5
#10 Robert D. Mills Autoliv Asp 4
#10 Geoffrey Edwin Osborne Inco Limited 4
#10 Clarence R. Trott John Deere 4
#13 Paul NOWAKCZYK Vanrx Pharmasystems 3
#13 Robert N. Perry John Deere 3
#13 Michael Neale 3
#13 William K. Kodatsky American Cyanamid 3
#17 Robert Fraser Accipiter Radar Technologies 2
#17 Michael K. Parrent Gencorp 2
#17 Mark Christopher Ayton 2
#17 Victor Mamchych 2
#17 John Dunsby Haun Drop Forge Co. 2
#17 Stefanos Horianopoulos 2
#17 Donald LaBute Iona Appliances 2
#17 Hans G. Brandstatter Ontario Research Foundation 2
#17 Pascal Giroux 2
#17 Kenneth L. Kirkpatrick John Deere 2
#17 Gary A. Shields 2
#28 Garry William Morris Saint-Gobain Adfors Canada 1
#28 William O. Whynot 1
#28 Paul Firic 1
#28 Peter Banga 1
#28 David John Pieterse PepsiCo 1
#28 Darby McGrath 1
#28 Laurence G. Bell 1
#28 Kenneth Kissman 1
#28 Douglas B. Cowx The Consumer'S Gas Company 1
#28 Joseph Ramella Unknown 1
#28 Luciano Dellasmirra 1
#28 Barbara D. Baird 1
#28 Wayne P. Mullin 1
#28 Daniel J. Crozier 1
#28 Edward J. Imre 1
#28 Edward S. Fox 1
#28 Laurent Beaudoin Iona Appliances 1
#28 Michael L. Courtney General Motors 1
#28 Frans P. Gillade 1
#28 John G. Sojda Inco Limited 1
#28 Robert F. Ivankovich 1
#28 Tony Ozog Cyanamid Canada 1
#28 Dalton H. Spicer John Deere 1