Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Buchans, CA ranks #15,157 worldwide for total patents filed all time, with 104 patents from 51 inventors. Leading employers of inventors based in Buchans, CA include Borgwarner, Mitel, Flowserve Management.

Showing 1–50 of 51 inventors

Rank Inventor Primary Company Patents
1 Daniel P. O'Brien Borgwarner 12
2 Gordon Lee Mitel 6
3 Fred Sparling 5
3 Per Andersen 5
3 Donald Andrews 5
3 Bruce J. Butler Flowserve Management 5
#7 Tracy Bostick Exelixis 4
#7 Ronald D. Page ExxonMobil 4
#9 Colin D. Jardine The Hanna Mining 3
#9 D. Bruce Campbell Neurocrine Biosciences 3
#9 Alvin Edward Moss 3
#12 Norman F. Haard Canadian Patents And Development Limited 2
#12 Robert E. Kelland 2
#12 Kenneth Michael LeDez 2
#12 Anand M. Sharan 2
#12 Michael A. Zagorski 2
#12 Azizur Rahman 2
#12 Gunnar Lehrling Halliburton Energy Services 2
#12 Stephen Hebb The Hanna Mining 2
#12 Rodney H. Coles The Hanna Mining 2
#21 James B. Batten 1
#21 Paris Georghiou 1
#21 Patrick E. Dabinett 1
#21 Paul Ralph Unknown 1
#21 Coleman Stack 1
#21 Dale Corbett 1
#21 James Wing Au 1
#21 Donald Hender Schlumberger Technology 1
#21 John M. Angel 1
#21 Alonzo G. Osborne 1
#21 Kathleen Parewick 1
#21 Andrejs Liepins 1
#21 Reinder Boetes 1
#21 Boris P. Sukhov 1
#21 Edwin S. Hussey 1
#21 Geoffrey W. Freeman 1
#21 Warren D. Foltz Sunnybrook Health Sciences Centre 1
#21 Frederic Stack 1
#21 David L. Fost 1
#21 Kim Bell Unknown 1
#21 Harry Brazil 1
#21 Joseph Cullen 1
#21 Henry Manson 1
#21 Walter Snedden 1
#21 Wilf Nicholls 1
#21 Walter J. Williams 1
#21 M. Azizur Rahman 1
#21 Wallace J. MacDonald 1
#21 Harold Morris 1
#21 Kazi M. Shasuzzaman 1