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
CM
Crucible Materials
Rank (All Time):
#9418
of 106,127
Top 9%
58 inventors
73
Patents All Time
Top Inventors at Crucible Materials
All Time
Rank
Name
Patents
1
Kenneth E. Pinnow
19
2
William Stasko
14
3
Edward J. Dulis
8
#4
Bao-Min Ma
7
#5
John J. Eckenrod
7
#6
Carl J. Dorsch
6
#7
Floyd E. Camp
6
#8
Frank J. Rizzo
6
#9
Geoffrey O. Rhodes
6
#10
Walter T. Haswell, Jr.
6
#11
Andrew S. Kim
6
#12
Charles F. Yolton
5
#13
Kalatur S. V. L. Narasimhan
5
#14
Kalathur S. Narasimhan
5
#15
John Hauser
4
#16
William B. Eisen
4
#17
David A. Salvatora
3
#18
John H. Moll
3
#19
Joseph F. Perez
3
#20
Karl S. Brosius
3
#21
Michael W. Peretti
3
#22
Scott B. Justus
3
#23
Thomas Lizzi
3
#24
Vijay K. Chandhok
3
#25
William E. Royer
3
#26
Andrzej L. Wojcieszynski
3
#27
Brian Hann
2
#28
Carol J. Willman
2
#29
Francis S. Snyder
2
#30
Henry E. Brinzer, Jr.
2
#31
Jeryl K. Wright
2
#32
John J. DuPlessis
2
#33
John C. Tverberg
2
#34
Kenneth J. Wojslaw
2
#35
Terry C. Rhodes
2
#36
Ulrike Habel
2
#37
Alojz Kajinic
2
#38
Baoquan Huang
1
#39
Benjamin Chao
1
#40
Brian McTiernan
1
#41
Dale Williams
1
#42
Eugene B. Connelly
1
#43
Frederick C. Holtz, Jr.
1
#44
Hans H. Stadelmaier
1
#45
Jason Ting
1
#46
Jocelyne McGeever
1
#47
Maria K. Sawford
1
#48
Michael QUINLAN
1
#49
Nen-Chin Liu
1
#50
Robert F. Krause
1
#51
Rosa Young
1
#52
Stanley A. Wooden
1
#53
William L. McCollough
1
#54
George A. Strichman
1
#55
John E. Stulga
1
#56
Frank J. Wulczynski
1
#57
Lawrence S. Redmerski
1
#58
Charles D. Preusch
1