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
›
Central Research Laboratories Limited
CL
Central Research Laboratories Limited
— 71 Patents
Rank
(All Time):
#9,647
of
106,120
Top 10%
66
inventors
71
Patents All Time
Top Inventors at Central Research Laboratories Limited
All Time
Showing
1–50
of
66
inventors
Rank
Name
Patents
1
Alastair Sibbald
11
2
Richard Clemow
10
3
Ian Macdonald Green
8
#4
John Dodgson
7
#5
John Edward Tyrone Shaw
5
#5
Malcolm Trayton Austen
5
#5
Paul W. H. Surguy
5
#8
Anthony Corless
4
#8
Christoph Dobrusskin
4
#8
Ian A. Shanks
4
#8
John G. Holden
4
#8
Martin Peter Todd
4
#13
Adam Rupert Philp
3
#13
Fawad Nackvi
3
#13
Ian Robins
3
#13
Lawrence K. Chan
3
#13
Monica Backes
3
#13
Philip C. Allen
3
#19
Andrew D. Barnes
2
#19
Ian Gibb
2
#19
Neil Lockmuller
2
#19
Richard Iain Simpson
2
#19
Simon N. M. Willcock
2
#24
Richard Lynn Hedgeley
1
#24
Susan Styles
1
#24
Ian Robert McLauchlan
1
#24
Adrian James Bull
1
#24
Adrian Miles Sandford
1
#24
Alan Sharp
1
#24
Andrew Parkes
1
#24
Chuan Chu Dong
1
#24
Chris Turner
1
#24
Colin Seymour
1
#24
David Coates
1
#24
David Wenn
1
#24
Demetrius G. Jelatis
1
#24
Elaine Jackson
1
#24
Elvin Nix
1
#24
Francis R. Trumble
1
#24
Gareth Parry
1
#24
George Derek Warner
1
#24
Graham Wright
1
#24
Ian Green
1
#24
Javed Sabir
1
#24
Jia Yin
1
#24
John William Goodby
1
#24
Malcolm G. Naylor
1
#24
Mark P Seymour
1
#24
Michael K. Jackson
1
#24
Michael Jackson
1
1
2
Next »
Related Companies
Hsc Research And Development Limited Partnership
71
Targor Gmbh
71
Alco Industries
71
Reilly Industries
71
Alcon Universal
71
Circon
71
Hedstrom
71
Genrad
71
Unitrode
71