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
›
Vorbeck Materials
VM
Vorbeck Materials
— 45 Patents
Rank
(All Time):
#14,507
of
106,127
Top 15%
52
inventors
45
Patents All Time
Top Inventors at Vorbeck Materials
All Time
Showing
1–50
of
52
inventors
Rank
Name
Patents
1
John S. Lettow
24
2
Dan Scheffer
15
2
Sriram Manivannan
15
#4
Ilhan A. Aksay
14
#5
Kate Redmond
11
#6
Sibel Korkut
9
#7
James Turney
7
#7
John M. Crain
7
#7
Robert K. Prud'homme
7
#10
Chuan-Hua Chen
6
#10
Jennifer Pinkos
6
#10
Katherine S. Chiang
6
#10
Trentice V Bolar
6
#14
Bora Buyukdincer
5
#14
Gustavo Pino
5
#14
Ibrahim O. Yildirim
5
#14
Larry Hurzon
5
#14
Mathew A Hudspeth
5
#14
Nurcin Javaherian
5
#20
Can Gun Yaprak
4
#20
Keren Espina
4
#22
Jeremy D Smith
3
#22
Kenneth E Fritsch
3
#24
Christy Martin
2
#24
Christian Punckt
2
#24
James Brent
2
#24
Jaclyn Scott
2
#24
JOSIAH HENRY
2
#24
Louise Brooks
2
#24
Michael Filipelli
2
#24
Michael Pope
2
#24
Paige J Boehmcke
2
#24
Samarpita Chowdhury
2
#24
Victor Contreras
2
#24
Alison Baskerville
2
#36
Brian Losey
1
#36
Bretton Swope
1
#36
Carl F. LETTOW, II
1
#36
Christie Burrow
1
#36
Gautham Krishnaiah
1
#36
JOSH DESPORTES
1
#36
Jodie Kuo
1
#36
Joseph Roy-Mayhew
1
#36
Matthew F. Guenette
1
#36
Raymond J. Sauro
1
#36
Robyn Nariyoshi
1
#36
Sandy Spence
1
#36
Spencer Perkins
1
#36
Vipin Varma
1
#36
Ethan Traub
1
1
2
Next »
Related Companies
Dormakaba Deutschland Gmbh
45
Physical Systems
45
Kokusai Keisokuki Kabushiki Kaisha
45
Carefree/Scott Fetzer
45
Zhejiang Uniview Technologies Co.
45
Yangtze University
45
Bravo Company Mfg
45
Shenzhen Hello Tech Energy Co.
45
Knox Associates
45