Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Inventors
Cities
States
Inventor 500
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
›
Rolls-Royce Plc
Rolls-Royce Plc
— 236 Patents in 2021
Rank
(2021):
#165
of
31,476
Top 1%
517
inventors
236
Patents 2021
Top Inventors at Rolls-Royce Plc
2021
Showing
1–50
of
517
inventors
Rank
Name
Patents
1
Michael J. Whittle
41
2
Anthony G. Razzell
14
3
Mark Spruce
10
3
Daniel K. Vetters
32
#5
Roderick M. Townes
9
#6
Craig W Bemment
8
#6
Ted J. Freeman
38
#6
John Joseph Costello
9
#8
Richard G Stretton
7
#8
Richard Joseph Skertic
8
#9
David A. Edwards
6
#9
Stephen M. Husband
6
#11
Ahmed M Y Razak
5
#11
David J. Shepherd
5
#11
Duncan Forbes
5
#11
Eric Koenig
12
#11
Mark J. Wilson
5
#11
Sean E. Landwehr
6
#11
Sungbo Shim
6
#14
Adam L. Kempers
5
#14
Kang N. Lee
5
#14
Quinlan Yee Shuck
5
#16
Alan R Maguire
4
#16
Arthur L. Rowe
4
#16
Benedict R. PHELPS
4
#16
Bharat M. Lad
4
#16
Chathura K Kannangara
4
#16
Darren Ivor James
4
#16
David P. SCOTHERN
4
#16
Jillian C Gaskell
4
#16
Joseph B. Cooper
4
#16
Michael C. WILLMOT
4
#16
Pascal DUNNING
4
#16
Rory D. STIEGER
4
#16
Aaron D. Sippel
33
#19
Bruce E. Varney
4
#19
Kevin Sauer
4
#19
Nathan Ottow
4
#19
Alan W. Smith
4
#19
Christopher Banham
4
#19
Douglas D. Dierksmeier
4
#19
John Gebhard
4
#19
Kerry Wiegand
4
#19
Michael Nesteroff
4
#19
Scott Nelson
4
#29
Alastair D Moore
3
#29
Benjamin J Sellers
3
#29
Chloe J. PALMER
3
#29
Dragos Axinte
3
#29
Duncan A MacDougall
3
1
2
3
Next »
Related Companies
Fraunhofer
242
University Of Texas System
239
Commscope Technologies
238
Nissan Motor Co.
237
Renesas Electronics
236
Baidu Online Network Technology (Beijing) Co.
236
Rohm Co.
235
Safran Aircraft Engines
234
Autonetworks Technologies
234