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Data through Dec 31, 2025
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Spx
— 615 Patents
Rank
(All Time):
#1,405
of
106,120
Top 2%
468
inventors
615
Patents All Time
Top Inventors at Spx
All Time
Showing
1–50
of
468
inventors
Rank
Name
Patents
1
Kurt Raichle
51
2
John L. Schadler
36
3
Kenneth W. Manz
26
#4
Troy Liebl
25
#5
Durval Ribeiro
24
#5
Hamid Namaky
24
#7
Manokar Chinnadurai
20
#7
Scott Krampitz
20
#9
Garret Miller
18
#10
William Brown
17
#11
Andre Skalina
16
#11
Gary P. Murray
16
#11
Harry M. Gilbert
16
#11
Robert Kochie
16
#15
Drew Van Norman
14
#16
Phillip McGee
13
#16
Thomas Bertosa
13
#18
Craig S. Rendahl
12
#18
Walter D. Murray
12
#18
William W. Wittliff, III
12
#21
Edward Lipscomb
11
#21
Gregory J. Fountain
11
#21
John DiDomenico
11
#21
Randy L. Mayes
11
#25
Bernd Gigas
10
#25
Benjamin Hardy
10
#25
James B. Wolford
10
#25
Joe Young
10
#25
Mark McMasters
10
#25
Michael Gessner
10
#25
Olav M. Underdal
10
#25
Robert Blakley
10
#25
Robert A. Roberts
10
#34
Bart Ivic
9
#34
Christopher M. Powers
9
#34
Jason Murphy
9
#34
Oleksiy Portyanko
9
#34
Robyn Merchant
9
#34
Scott Opsahl
9
#40
Alex Shaland
8
#40
Cherry Bochmann
8
#40
Howard Scott Ryan
8
#40
James E. Jirele
8
#40
James Stenberg
8
#40
Jeffrey Brown
8
#40
Martin Franz
8
#40
Michael Shevela
8
#40
Weixing Xia
8
#49
Matthew Jordison
7
#49
Matthew Koran
7
1
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