Patent Leaderboard
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
Search
Companies
Inventors
Cities
States
RA
Rolls-Royce North America
Rank (All Time):
#965
of 106,127
Top 1%
447 inventors
911
Patents All Time
Top Inventors at Rolls-Royce North America
All Time
Showing 1–50 of 447 inventors
Rank
Name
Patents
1
Ted J. Freeman
164
2
Aaron D. Sippel
76
3
Daniel K. Vetters
74
#4
David J. Thomas
72
#5
Douglas D. Dierksmeier
48
#6
Douglas J. Snyder
39
#7
Daniel E. Molnar, Jr.
38
#8
Robert W. Heeter
36
#9
Richard Joseph Skertic
34
#10
Mark Jon Blackwelder
33
#11
Edward C. Rice
32
#12
Matthew R. Gold
29
#12
Michael J. Armstrong
29
#12
Andrew J. Eifert
29
#15
Ryan C. Humes
28
#16
Kenneth M. Pesyna
27
#17
Jun Shi
24
#18
Bryan H. Lerg
23
#19
Jeffrey A. Walston
22
#19
Joseph P. Lamusga
22
#21
Eric S. Donovan
21
#22
Bruce E. Varney
20
#22
Mark O'Leary
20
#22
Philip H. Snyder
20
#22
Timothy Unton
20
#26
John Joseph Costello
19
#26
Kerry J. Lighty
19
#28
David L. Sutterfield
18
#28
Jack D. Petty
18
#30
Richard C. Uskert
17
#31
James C. Loebig
16
#31
Rigoberto J. Rodriguez
16
#31
Robert T. Duge
16
#31
Adam L. Chamberlain
16
#35
Michael Abraham Karam
15
#35
Paul M. Rancuret
15
#35
Robert A. Ress, Jr.
15
#38
Robert J. Shinavski
14
#39
Jeffrey F. Rhodes
13
#39
Todd Engel
13
#39
Alan W. Smith
13
#42
Igor Vaisman
12
#42
Jonathan M. Rivers
12
#44
Eugene Charles Jansen
11
#44
Patrick C. Sweeney
11
#44
Stephen Andrew Long
11
#44
William L. Siegel
11
#48
Michael J. Whittle
10
#48
Raymond Ruiwen Xu
10
#48
Sean E. Landwehr
10
1
2
3
Next »