Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

North Bay, CA ranks #13,578 worldwide for total patents filed all time, with 124 patents from 51 inventors. Leading employers of inventors based in North Bay, CA include Ethyl Petroleum Additives, Greenfield Specialty Alcohols, Eti Explosives Technologies International (Canada).

Showing 1–50 of 51 inventors

Rank Inventor Primary Company Patents
1 Donald G. Campbell Ethyl Petroleum Additives 9
2 Robert Ashley Cooper BENSON Greenfield Specialty Alcohols 8
3 Earl Reckzin Eti Explosives Technologies International (Canada) 7
#4 Adrian Brubacher Veracio 6
#4 Christopher Allen Wright Bly Ip 6
#4 Patrick Salvador Atlas Copco Canada 6
#7 Rocky Lynn Webb Technological Resources Pty Limited 5
#7 Guy Mathieu Nordic Minesteel Technologies 5
#7 David Robert Ritter Bly Ip 5
#10 Grant Simpson Eti Explosives Technologies International (Canada) 4
#10 Chris Haas Interdesign 4
#10 Morris Medd J.S. Redpath Limited 4
#10 Sacha Tillack Longyear Tm 4
#10 Ernest A. Hajto Dupont Canada 4
#15 Robert M. Kudlak 3
#15 Amos J. Watkins 3
#17 Dominic E. Scappatura 2
#17 Irwin J. Laporte 2
#17 Craig Schoen 2
#17 Eric C. Dudson 2
#17 Louise Juanita Erven Ttec Holdings 2
#17 Ewa Maria Cholewa Novozymes Bioag A/S 2
#23 Walter R. Eadie Dupont Canada 1
#23 Gilles H. Ducharme E.I. Du Pont De Nemours And 1
#23 Hossein Notarkesh 1
#23 Chris Preston Dyno Nobel 1
#23 Gordon Leonard McLaren Boart Longyear 1
#23 Irvin J. Laporte 1
#23 Allan Hooper Eti Explosives Technologies International (Canada) 1
#23 Doreen L. Perry 1
#23 Mark Joseph Morin 1
#23 Steven John Smirle 1
#23 Steve Valenti Polytec Gmbh 1
#23 Paul Dawson 1
#23 Stanley Alfred Cox 1
#23 Claude Ledoux Unknown 1
#23 John Nicholas De La Vergne 1
#23 David K. Liberty Unknown 1
#23 Eldon R. Hawton 1
#23 Michael O. Attwater Boart Longyear International Holdings 1
#23 Bryan Jay Keslo Nordic Minesteel Technologies 1
#23 RONALD ELLIOTT Nordic Minesteel Technologies 1
#23 Kirby Brooks 1
#23 Keith Donald Norman Klayh 1
#23 Stephen John KORSKI 1
#23 Alun Price Jones 1
#23 Dillon Guido 1
#23 Jeremy Gerald Fernand Berg 1
#23 Bryan Wayne Collins Cerebri Ai 1
#23 Cory Svensson Shopify 1