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
›
Mallinckrodt
MA
Mallinckrodt
— 683 Patents
Rank
(All Time):
#1,286
of
106,120
Top 2%
489
inventors
683
Patents All Time
Top Inventors at Mallinckrodt
All Time
Showing
1–50
of
489
inventors
Rank
Name
Patents
1
Gary L. Cantrell
66
2
Raghavan Rajagopalan
59
3
Richard B. Dorshow
57
#4
Peter X. Wang
54
#5
Joseph E. Bugaj
52
#6
Samuel Achilefu
50
#7
Frank M. Fago
41
#8
Christopher W. Grote
30
#8
Frank W. Moser
30
#8
Gary S. Wagner
30
#11
David W. Berberich
28
#12
Tao Jiang
27
#13
Robert J. Ziemba
22
#14
Michael E. Fein
20
#15
Paul D. Mannheimer
19
#15
Vernon D. Ortenzi
19
#17
David William Wilson
17
#17
Gary L. Hansen
17
#19
Charles S. Neer
16
#19
Muthunadar P. Periasamy
16
#21
Bobby N. Trawick
14
#21
Vishal Gupta
14
#23
Henry J. Buehler
13
#23
John I. Izuchukwu
13
#23
Stan A. Sanders
13
#26
Chad M. Gibson
12
#26
Subo Liao
12
#28
James R. Small
11
#28
Neil Dunski
11
#28
Robert E. Halvachs
11
#31
Krishna Devarakonda
10
#31
Ralph A. Heasley
10
#31
Susan Shelby
10
#34
Adnan I. Merchant
9
#34
Andrew D. Speth
9
#34
Jian Bao
9
#34
Kevin Robert Martz
9
#38
David M. Brooks
8
#38
David H. White
8
#38
Duane L. Horton
8
#38
Mark R. Frye
8
#38
Michael J. Giuliani
8
#38
Richard T. Dean
8
#44
B. Daniel Burleigh
7
#44
Charles E. Porges
7
#44
John Kevin Bruce
7
#44
Leonardo Shiki Toma
7
#44
Matt Bantly
7
#44
Paolo Bergamaschi
7
#44
Richard Scott Remes
7
1
2
3
Next »
Related Companies
Johns Manville
685
Scientific-Atlanta
684
Smithkline Beeacham P.L.C.
684
Maxlinear
684
Invensense
684
Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College
683
Waters Technologies
683
Tianma Microelectronics Co.
682
Chiron
680