Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Inventors
Cities
States
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Home
›
Companies
›
Barrick Gold
BG
Barrick Gold
— 68 Patents
Rank
(All Time):
N/A
of
106,120
68
inventors
68
Patents All Time
Top Inventors at Barrick Gold
All Time
Showing
1–50
of
68
inventors
Rank
Name
Patents
1
Yeonuk Choi
14
2
Jinxing Ji
13
3
Henri Champseix
12
#4
Christopher Andrew Fleming
11
#5
Ralph Peter Hackl
9
#6
Paul George West-Sells
9
#7
Jacques McMullen
8
#8
Serge Champseix
8
#9
Didier Lefevre
6
#10
James A. King
5
#11
Roger Le Comte
4
#12
Peter Kondos
4
#13
Ahmad Ghahremaninezhad Gharelar
4
#14
Richard A. Williams
4
#15
Kenneth G. Thomas
4
#16
Barun Gorain
4
#17
Daniel Hillier
3
#18
Noelene Ahern
3
#19
Samir Chefai
3
#20
Sylvie Veriac
3
#21
Nathan Stubina
2
#22
David Dreisinger
2
#23
Qiankun Wang
2
#24
Larry Enloe
2
#25
Paul Wilmot
2
#26
Herman Pieterse
2
#27
Daniel Feliks Raphael Domanski
2
#28
David B. Dixon
2
#29
Wilson Tsu
2
#30
Eric Jackson
2
#31
Cesare G. Ferron
2
#32
John William Langhans, JR.
2
#33
Andrew R. Marchbank
2
#34
Oscar OLVERA OLMEDO
2
#35
Reinhard Kargel
2
#36
Wayne Douglas
1
#37
Wilson Chung-Yeh Tsu
1
#38
Thomas Hawisher
1
#39
Charles Semler
1
#40
Martin DeMontigny
1
#41
Simon O. Fekete
1
#42
Guilhem Couderc
1
#43
Simon Mark Jackson
1
#44
Marilyn Patricia Ann Hames
1
#45
Nadine Voltas
1
#46
Bernard C. Kress
1
#47
Edward William Drew Anwyll
1
#48
Jim Friant
1
#49
Donald D. Young
1
#50
Ghislain Morel
1
1
2
Next »