Patent Leaderboard
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
Search
Companies
Inventors
MO
Marathon Oil
Rank (All Time):
#2318
of 106,127
Top 3%
204 inventors
350
Patents All Time
Top Inventors at Marathon Oil
All Time
Rank
Name
Patents
1
Robert D. Sydansk
52
2
Philip M. Snider
21
3
Wayne E. Luetzelschwab
20
#4
Mark A. Plummer
18
#5
David O. Falk
17
#6
John J. Waycuilis
14
#7
James E. Tackett
12
#8
David S. Wesson
10
#9
Gary J. Collins
10
#10
Joseph A. Zierolf
10
#11
Perry A. Argabright
10
#12
Stanley C. Jones
10
#13
Donald E. Schroeder, Jr.
8
#14
Irvin D. Johnson
8
#15
John S. Rhudy
8
#16
Richard L. Christiansen
8
#17
David Ellwood
7
#18
Hiemi K. Haines
7
#19
LaVaun S. Merrill, Jr.
7
#20
Gary R. Cook
6
#21
Charles R. Bruce
5
#22
Charles J. Norton
5
#23
John L. Baugh
5
#24
Kenneth R. Wener
5
#25
Robert Barree
5
#26
George P. Southwell
4
#27
Joseph P. Haney
4
#28
Roy B. Duke
4
#29
Alfred D. Hill
4
#30
Anthony R. Tinkle
4
#31
Aubrey C. Mills
3
#32
Carle C. Zimmerman, Jr.
3
#33
Charles F. Garbutt
3
#34
D. Craig McClure
3
#35
David L. Gibbons
3
#36
Doug Murray
3
#37
Eric Phelps
3
#38
George E. Lowe
3
#39
Phillip M. Beazley
3
#40
Sidney R. Smith
3
#41
Timothy J. Thompson
3
#42
Wayne O. Roszelle
3
#43
William C. Barron
3
#44
Arthur C. Proffitt
3
#45
Bradley D. Hutchison
2
#46
Charles W. King
2
#47
Charles A. Meeder
2
#48
Donald H. Caldwell
2
#49
Douglas E. Kenyon
2
#50
Eldon G. Williams, Jr.
2
#51
Eugene E. Wadleigh
2
#52
Frank L. Dormish
2
#53
Hiemi Kim
2
#54
James A. Hollowell
2
#55
Jeffry G. Hamman
2
#56
John R. Kassarjian
2
#57
Karl D. Dreher
2
#58
Kevin R. George
2
#59
M. Marc Sengul
2
#60
Michael J. Heymans
2
#61
Michael E. Krugh
2
#62
N. Duane Wygant
2
#63
Paul R. Gucwa
2
#64
Pearl E. Stephenson
2
#65
R. D. Sydansk
2
#66
Richard D. Favinger
2
#67
Roland A. Chambers
2
#68
Steven B. Hinchman
2
#69
Stephen D. York
2
#70
Welby C. Sweet
2
#71
William D. Holmes
2
#72
Bernard Deschizeaux
1
#73
Becky L. Ogden
1
#74
Brian A. Butler
1
#75
Bruce W. Caddy
1
#76
Brian L. Phillips
1
#77
C. Travis Presley
1
#78
Carl D. Clay
1
#79
Charles P. Childers
1
#80
Charles F. Mosier, Jr.
1
#81
Colin Billington
1
#82
Craig Young
1
#83
David N. Burdge
1
#84
David Conway
1
#85
David A. Cuthill
1
#86
David Louch
1
#87
Daniel George Purkis
1
#88
Daniel H. Rimmer
1
#89
David Stewart
1
#90
David E. Taylor
1
#91
David J. Walsh
1
#92
Daniel Wood
1
#93
Dengliang Gao
1
#94
Dick K. Young
1
#95
Donald McClure
1
#96
Ellis M. Peterson
1
#97
Ervin Baudoin
1
#98
Fabien Allo
1
#99
Gary R. Kennedy
1
#100
Gerald W. Haws
1