Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Cornwall, CA ranks #14,237 worldwide for total patents filed all time, with 115 patents from 44 inventors. Leading employers of inventors based in Cornwall, CA include Intel, Powerplay, Selig Sealing Products.

Showing 1–44 of 44 inventors

Rank Inventor Primary Company Patents
1 Claude Bissonnette 11
2 John A. Crook Intel 10
2 Stewart Kahan Powerplay 10
#4 Joseph Smelko Selig Sealing Products 8
#4 H. M. Robert Labelle Martinray Industries 8
#6 Julian Michael Svenson Dynamic Closures 6
#7 Lawrence Anonychuk 3M 5
#8 Kira Salonius Novartis Ag 4
#8 Khalid Al-Saadon Unknown 4
#10 John G. St. Marseille Queen'S University At Kingston 3
#10 R. John Whitaker 3
#10 Dane T. St. Pierre Kraft Canada 3
#13 Carine Machaalani Johns Manville 2
#13 Marvin S. Scrimshaw Canadian Patents And Development Limited 2
#13 Eugene E. Hill Canadian Patents And Development Limited 2
#13 Pierre Papineau Glopak 2
#13 Gerd Rutkowski Unknown 2
#13 Keppel Nyron Bharath RTX (Raytheon) 2
#13 Ken Schouten 2
#13 Karen Lesley Brunet 2
#21 Abdul Qayyum Syed Sabic Innovative Plastics B.V. 1
#21 Alpha Dixon Steven Ross Macdonald, Dettwiler And Associates 1
#21 Barry Rousseau 1
#21 Cheung K. Li Kwok Cheong Cosmetech International 1
#21 Barbara E. Cheesman 1
#21 Georges Guichard 1
#21 George M. Proctor Canadian Patents And Development Limited 1
#21 Nusri M. Abraham 1
#21 Colin Andrew Roy Hall 1
#21 Dennis St. Denis 1
#21 Valerie Buttle 1
#21 Clifford Ransom 1
#21 Glenn E. Cox Zengo 1
#21 Dusko Ballmer 1
#21 Rene Lauber 1
#21 Andre F. Vigeant 1
#21 Raj Sanmugam Ericsson 1
#21 Oriane Leger Mitel Knowledge 1
#21 Michael Belanger Dynamic Closures 1
#21 Dilipkumar R. Desai 1
#21 Richard Cawthorn Guigne International 1
#21 Trisha Morin Canlyte 1
#21 Larry J. Pilon 1
#21 Ronald Skinner 1