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
AH
American Hoechst
Rank (All Time):
#4416
of 106,127
Top 5%
142 inventors
169
Patents All Time
Top Inventors at American Hoechst
All Time
Rank
Name
Patents
1
John E. Walls
32
2
Helen H. Ong
14
3
James A. Profitt
11
#4
Major S. Dhillon
9
#5
R. Scott Caines
8
#6
Michael G. Kelly
7
#7
Thomas N. Gillich
7
#8
Shuchen Liu
6
#9
Edwin C. Culbertson
5
#10
Gabor I. Koletar
5
#11
Robert Posey
5
#12
Stephan J. W. Platzer
5
#13
Stanley F. Wanat
5
#14
Don B. Neumann
4
#15
Douglas A. Seeley
4
#16
Eric V. Olson
4
#17
Lyle K. Norton
4
#18
Shane Hsieh
4
#19
Stephen R. Coates
4
#20
Thomas A. Dunder
4
#21
William J. Rozell
4
#22
Charles A. Crichlow
3
#23
E. C. Culbertson
3
#24
Grover C. Helsley
3
#25
John M. Heberger
3
#26
Lawrence Bolt
3
#27
Lawrence L. Martin
3
#28
Oliver A. Barton
3
#29
Robert L. Dragon
3
#30
Vernon B. Anderson
3
#31
Walter Binder
3
#32
Anthony J. Corso
3
#33
Arthur R. McFadden
3
#34
Dana L. Durham
2
#35
David Hoffman
2
#36
Dennis G. Messier
2
#37
Donald Mammato
2
#38
Edward J. Glamkowski
2
#39
Grover L. Farrar
2
#40
J. David Bower
2
#41
James H. Covill
2
#42
James M. Fortunato
2
#43
James E. Thompson
2
#44
James D. Wright
2
#45
John R. Delamater
2
#46
John K. Pollard, Jr.
2
#47
Johann Wenghoefer
2
#48
Michael J. Hopper
2
#49
Michael Martin
2
#50
Michael Barry Smith
2
#51
Raimund J. Faust
2
#52
Richard L. Shadrach
2
#53
Robert F. Westcott
2
#54
Sangya Jain
2
#55
Trisha Bentley
2
#56
Tulay Duyal
2
#57
William Jeffers
2
#58
Willi Steckelberg
2
#59
Yung Lew
2
#60
Ali Tavasolian
2
#61
August P. Doering
1
#62
Bruce M. Stevens
1
#63
Carroll Simpson
1
#64
Carlos Tellechea
1
#65
Chien-Pin Sherman Hsu
1
#66
Daniel Eugene Aultz
1
#67
David E. Stewart
1
#68
David J. Williams
1
#69
Donald J. Kelley
1
#70
Earl Vickery
1
#71
Eberhard Neumann
1
#72
Elie L. Hebert
1
#73
Ellwood J. Horner
1
#74
Ernest K. Metzner
1
#75
F. Gene Funderburk
1
#76
Frederick J. Ehrgott
1
#77
Frank R. Mitchell
1
#78
Frank Pagano
1
#79
Hartmut Hensel
1
#80
Henry Gventer
1
#81
Helmut Monzer
1
#82
Horst Dornauer
1
#83
James E. Millington
1
#84
James Benjamin Tharpe, III
1
#85
John DiCarlo
1
#86
John Rogers
1
#87
John Charles Saukaitis
1
#88
Jonas O. St. Alban
1
#89
Keith H. Pomeroy
1
#90
Lawrence N. Crane
1
#91
Larry Davis
1
#92
Marilyn A. Bell
1
#93
Manfred Hahnke
1
#94
Mark Yates
1
#95
Mohamed Al Sayed Mostafa
1
#96
O. Alfred Barton
1
#97
Randy D. Jester
1
#98
Ralph P. McCroskey
1
#99
Richard E. Amtower
1
#100
Richard Castenson
1