Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Cities › St. Catharines, CA

St. Catharines, CA All Time

583 patents  ·  206 inventors

Ranked #4,677 of 112,640 cities Top 5%

St. Catharines, CA ranks #4,677 worldwide for total patents filed all time, with 583 patents from 206 inventors. Leading employers of inventors based in St. Catharines, CA include Xerox, Kimberly-Clark Worldwide, Norgen Biotek.

Showing 1–50 of 206 inventors

Rank Inventor Primary Company Patents
1 Gordon Sisler Xerox 65
2 Ronald F. Gropp Kimberly-Clark Worldwide 18
3 Yousef Haj-Ahmad Norgen Biotek 17
#4 Jeffrey Atkinson National Starch And Chemical Investment Holding Copporation 14
#5 Scott Riesebosch Crs Electronics 13
#6 David Napper Expose Retail Strategies 11
#7 Mircea Capanu Blackberry Limited 10
#7 Rumen Conev Vineland Research And Innovation Centre 10
#9 Geoffrey V. Francis Unknown 9
#9 John Garry Op-Hygiene Ip Gmbh 9
#11 Mary Ann Endoma-Arias Brock University 7
#11 William Matechuk — 7
#11 Sarah White Varian Semiconductor Equipment Associates 7
#11 Dieter Takev Haver & Boecker Ohg 7
#11 Fern Beauchamp — 7
#11 Robert G. Pleydon Saint-Gobain Performance Plastics 7
#17 David Good Hayes Lemmerz International 6
#17 D. Mark Woiceshyn Bay Mills 6
#17 Henry John Peters Clearwater Paper 6
#17 Sam Shih Blackberry Limited 6
#17 John Sever Apple 6
#17 Andrew Schertzer General Motors 6
#17 Jon Woolstencroft Saint-Gobain Technical Fabrics Canada 6
#17 Ian G. Cooper Bay Mills 6
#25 Hongbin Yan Brock University 5
#25 Scott Duyn Trojan Technologies 5
#25 Robert Vaiden, II AT&T 5
#25 Ahmad Yekta GE 5
#25 Gerard Grand — 5
#25 Jeffrey A. Stuart Syracuse University 5
#25 Peter Bowen Alcoa 5
#25 Carl E. Krasnor Accipiter Radar Technologies 5
#25 Ryan Mark Belleau Trw Automotive U.S. 5
#25 Geoff Collins Oy Wartsila Ab 5
#25 Colin D. Warkentin Xrs 5
#36 Michael Ralph Amazon 4
#36 Peter W. Boardman John Deere 4
#36 Ian David Brindle Brock University 4
#36 Kerry J. Cornelius — 4
#36 Jerico Wong — 4
#36 Brad Schuran Infinite Peripherals 4
#36 Renata Queiroz Dividino — 4
#36 William Paul Warkentin Henkel Limited 4
#36 Rosalene Brunka Bay Mills 4
#36 James H. D. Nickerson Foster Wheeler 4
#46 Stephen Shaughnessy — 3
#46 Gregory M. Lyons Saint-Gobain Technical Fabrics Canada 3
#46 Douglas Pullin — 3
#46 Ararat Hacetoglu American Cyanamid 3
#46 Louis Dagenais GE 3

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