Patent Leaderboard
USPTO Patent Rankings
Data through Sept 30, 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
›
American Technology
AT
American Technology
Rank
(All Time):
#8,872
of
106,127
Top 9%
114
inventors
78
Patents All Time
Top Inventors at American Technology
All Time
Showing
1–50
of
114
inventors
Rank
Name
Patents
1
James J. Croft, III
33
2
Elwood G. Norris
28
3
Michael Patrikios
10
#4
Joseph O. Norris
7
#5
Michael E. Spencer
6
#6
Curtis Welter
4
#6
Guillermo Coto
4
#6
Jeevan G. Bank
4
#9
David Graebener
3
#9
James A. Markus
3
#9
Pierre Khuri-Yakub
3
#9
Rodney H. Hawkins
3
#9
Terry J. Conrad
3
#9
Alan Robert Selfridge
3
#15
John Wnek
2
#15
Julian Romocki
2
#15
Peter Jeffrey Young
2
#18
Betty Link
1
#18
Clifton Wynn Thompson
1
#18
David B. Carlton
1
#18
Greig J. Clark
1
#18
Hans-Joachim Raida
1
#18
Henry Schur
1
#18
Joseph P. D'Angelo
1
#18
Mark W. Dearth
1
#18
Oskar Bschorr
1
#18
Robert C. Williamson
1
#18
Tony Chi Hang Wong
1
#18
Vaughn W. North
1
#18
Wensen Liu
1
#18
Ray Lafortune
1
#18
Waldemar Heeb
1
#18
Michael Bilitch
1
#18
Alan R. Duly
1
#None
Siddhartha Dalal
6
#None
Daniel Wilson
4
#None
Devasis Bassu
4
#None
Garin Pace
4
#None
Liangkai Zhang
4
#None
Martin Overton
4
#None
Paul Varnish
4
#None
Philip Kibler
4
#None
Robert J. Feilbogen
4
#None
Tracie Grella
4
#None
Ashwath Aithal
4
#None
Brian Birch
3
#None
Faye Sahai
3
#None
Kaigang Li
3
#None
Michael P. Castelli
3
#None
Nick Barber
3
1
2
3
Next »
Related Companies
Accu-Sort Systems
78
Micrus
78
Solvay Pharmaceuticals, Gmbh
78
Oshkosh Truck
78
Basf Catalysts
78
Pulse Engineering
78
Bbnt Solutions Llc.
78
Euv Llc.
78
University Of Maryland Biotechnology Institute
78