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
›
Schweitzer Engineering Laboratories
SL
Schweitzer Engineering Laboratories
— 729 Patents
Rank
(All Time):
#1,196
of
106,120
Top 2%
418
inventors
729
Patents All Time
Top Inventors at Schweitzer Engineering Laboratories
All Time
Showing
1–50
of
418
inventors
Rank
Name
Patents
1
Edmund O. Schweitzer, III
123
2
David E. Whitehead
66
3
Armando Guzman-Casillas
59
#4
Bogdan Z. Kasztenny
53
#5
Tony J. Lee
40
#6
Normann Fischer
38
#7
Veselin Skendzic
36
#8
Gregary C. Zweigle
35
#9
Scott M. Manson
33
#10
Mangapathirao Venkata Mynam
30
#11
Shankar V. Achanta
29
#12
Colin Gordon
27
#12
Jeffrey B. Roberts
27
#12
Marcos A. Donolo
27
#15
Rhett Smith
26
#16
James R. Kesler
25
#17
Gabriel Benmouyal
24
#18
David J. Dolezilek
20
#19
Laurence V. Feight
19
#20
Dennis Gammel
18
#20
Ellery A. Blood
18
#20
Ritwik Chowdhury
18
#23
Kei Hao
17
#24
Austin Edward Wade
16
#24
Dale S. Finney
16
#24
Jason A. Dearien
16
#24
Raymond W. Rice
16
#28
Luther S. Anderson
14
#29
Josh Powers
13
#30
Angelo D'Aversa
12
#30
Ryan Bradetich
12
#32
Casper A. Labuschagne
11
#32
Daqing Hou
11
#32
Travis C. Mallett
11
#35
David J. Casebolt
10
#35
Timothy M. Minteer
10
#35
Tristan Lloyd Mullis
10
#38
Abdel Rahman Khatib
9
#38
Jay Hartshorn
9
#38
Niannian Cai
9
#38
Robert Meine
9
#42
Gary W. Scheer
8
#42
James Mobley
8
#42
Matchyaraju Alla
8
#42
Manodev J. Rajasekaran
8
#42
Mark L. Zeller
8
#42
Robert E. Morris
8
#48
Arun Shrestha
7
#48
Cody W. Tews
7
#48
Dennis Haes
7
1
2
3
Next »
Related Companies
Toshiba Kikai
730
University Of Connecticut
730
Starkey Laboratories
730
Aol
729
The Rockefeller University
729
United States Postal Service
729
Tcl China Star Optoelectronics Technology Co.
728
Tokai Rubber Industries
728
Lever Brothers
728