Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Keswick, CA ranks #11,093 worldwide for total patents filed all time, with 171 patents from 48 inventors. Leading employers of inventors based in Keswick, CA include 1045929 Ontario Limited, Panvera, Dyneer.

Showing 1–48 of 48 inventors

Rank Inventor Primary Company Patents
1 Gerardus J. Brouwer 1045929 Ontario Limited 29
2 Thomas J. Burke Panvera 28
3 Henry W. Thomey Dyneer 17
#4 Deborah Young Pfizer 13
#4 Robert Milwain 1045929 Ontario Limited 13
#6 Darl Crick IBM 6
#7 David R. Oman Honeywell 5
#8 Alexandre Mikhailine Governing Council Of The University Of Toronto 4
#8 Franco Acacia Warren Industries 4
#10 Joseph Hall 3
#10 John Christopher Carter Santarus 3
#10 Gary R. Karasiuk IBM 3
#13 David McKnight 2
#13 Michael Smart 2
#13 Mark B. Supinski AMD 2
#13 Glen Rye 2
#13 Marilyn Agnoluzzi Illinois Tool Works 2
#13 Barry T. Crate 2
#13 Frank Stoof Intier Automotive Closures 2
#20 Marcus Egon Gumpenberger 1
#20 Douglas Howie 1
#20 Peter G. Moogk IBM 1
#20 Walter Reisel 1
#20 Arthur Augustus Halbot, Jr. 1
#20 Victoria Chester University Of New Brunswick 1
#20 Asad Rahman 1
#20 Gregory Scott Mardon 1
#20 Achim H. Hedrich Unknown 1
#20 Roseanne Set 1
#20 Sola Albanese 1
#20 Anthony Eluck 1
#20 A. Mei Lan Shepherd-Murray AMD 1
#20 Grant E. Preston 1
#20 Rudolf Hafner J. D. Technologies 1
#20 Edward A. McLeod Ontario Hydro 1
#20 David T. Nobert 1
#20 Terrance Reardon 1
#20 Danielle Bartlett 1
#20 Guy Boniface 1
#20 Charlotte May 1
#20 Boris Iordanov 1
#20 Dylan Gordon Ivens 1
#20 Brent Scott Ivens 1
#20 Lucille Dawson 1
#20 Angelo ORSI 1
#20 Glenn Emile Rochon 1
#20 Ilya Varaev 1
#20 Joseph N. O. Grenier 1