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
›
Gulf Research & Development
GD
Gulf Research & Development
— 236 Patents
Rank
(All Time):
#3,282
of
106,120
Top 4%
106
inventors
236
Patents All Time
Top Inventors at Gulf Research & Development
All Time
Showing
1–50
of
106
inventors
Rank
Name
Patents
1
Thaddeus P. Kobylinski
40
2
Harold E. Swift
35
3
David L. Beach
28
#4
Johann G. D. Schulz
27
#5
Roger F. Vogel
25
#5
Wayne R. Pretzer
25
#7
Ajay Madhav Madgavkar
17
#7
Charles M. Selwitz
17
#7
Edward T. Sabourin
17
#7
John E. Bozik
17
#11
Anatoli Onopchenko
15
#12
Ching-Yong Wu
11
#12
James J. Harrison
11
#14
Gary M. Singerman
9
#14
John P. Pellegrini, Jr.
9
#14
Norman L. Carr
9
#17
John J. Stanulonis
8
#17
Joseph A. Tabacek
8
#17
Richard G. Austin
8
#20
Edgar L. McGinnis
7
#20
Harold Beuther
7
#20
Robert A. Innes
7
#20
William L. Kehl
7
#24
Adolfo Zambelli
6
#24
Charles L. Kibby
6
#24
John A. Cobler
6
#24
Richard W. Lunden
6
#24
Richard B. Pannell
6
#24
Shirley C. Tsai
6
#30
Mario L. Occelli
5
#30
Raymond J. Rennard
5
#30
Robert J. Hartle
5
#30
Yumi P. Ryu
5
#34
George Marcelin
4
#34
James R. Anglin
4
#34
John C. Montagna
4
#34
Mohammad M. Habib
4
#34
Neal E. Morganson
4
#39
Daniel Margosian
3
#39
Howard G. McIlvried
3
#39
James V. Kennedy
3
#39
John Freel
3
#39
Philip R. Templin
3
#39
Raynor T. Sebulsky
3
#39
Richard H. Graham
3
#39
Richard A. Morris
3
#39
Robin R. Oder
3
#39
Thiagarajan Viswanathan
3
#39
Willard P. Acheson
3
#39
William A. Kofke, Jr.
3
1
2
3
Next »
Related Companies
Faraday & Future
237
Asahi Seiko Co.
236
Adc Gmbh
236
Sharper Image
236
Gencorp
236
Microsemi
236
Nihon Plast Co.
236
Sage Products
236
Visera Technologies Company Limited
236