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
Cities
States
DC
Donaldson Company
Rank (All Time):
#611
of 106,127
Top 1%
695 inventors
1,378
Patents All Time
Top Inventors at Donaldson Company
All Time
Showing 1–50 of 695 inventors
Rank
Name
Patents
1
Steven Scott Gieseke
126
2
Benny K. Nelson
87
3
Wayne R. W. Bishop
82
#4
Wayne M. Wagner
76
#5
Daniel E. Adamek
75
#6
John R. Hacker
70
#7
Gary R. Gillingham
69
#8
Thomas D. Raether
65
#9
Richard Osendorf
62
#10
Kevin Schrage
53
#11
Paul Coulonvaux
48
#12
Andrew J. Dallas
47
#13
Gregory Reichter
46
#14
Thomas Lundgren
45
#15
Thomas Miller
44
#16
Bradley Kuempel
40
#16
Mark A. Gogins
40
#16
Steven K. Campbell
40
#19
Carolyn J. Finnerty
39
#20
Bruce Crenshaw
38
#20
Donald Mork
38
#22
Joseph C. Tokar
37
#23
Daniel T. Risch
36
#23
Donald F. Engel
36
#23
Robert M. Rogers
36
#23
Thomas M. Weik
36
#27
Fred H. Wahlquist
35
#28
Brad E. Kahlbaugh
33
#28
Johan G. Dewit
33
#30
Bruce Allen Boehrs
31
#31
Jim C. Rothman
29
#32
Hoo Y. Chung
28
#32
Thomas R. Olson
28
#34
David W. Nelson
27
#34
Derek O. Jones
27
#34
Marty Barris
27
#34
Veli E. Kalayci
27
#34
Vladimir Kladnitsky
27
#39
Gary J. Rocklitz
26
#39
John T. Herman
26
#39
Keh B. Dema
26
#42
Brent A. Gulsvig
25
#43
Douglas G. Crofoot
23
#43
Douglas Iddings
23
#43
Johnny Craessaerts
23
#43
Larry R. Nepsund
23
#43
Korneel De Rudder
23
#43
Philip Edward Johnson
23
#43
William J. Krisko
23
#50
Denis J. Dudrey
22
1
2
3
Next »