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
SY
Sybron
Rank (All Time):
#5980
of 106,127
Top 6%
98 inventors
122
Patents All Time
Top Inventors at Sybron
All Time
Rank
Name
Patents
1
Ravinder C. Mehra
9
2
Carl W. Voltz
8
3
Helmut Pietschmann
7
#4
Lois T. Davis
7
#5
James E. Blair
6
#6
Erwin J. Nunlist
4
#7
Hans C. Grunert
4
#8
Manfred Schmidt
4
#9
Charlie J. Howard
3
#10
David Matthew Joseph Cowell
3
#11
Emil Hirth
3
#12
Frank H. Freeman
3
#13
Heinz Hahn
3
#14
Lewis J. Pillis
3
#15
Raj K. Aggarwal
3
#16
Robert A. Olsen
3
#17
Vincent J. Piarulli
3
#18
Daniel Calabra
2
#19
Danny F. Holman
2
#20
Donald H. Peeler
2
#21
Edward S. Harrison
2
#22
Edward L. Peart
2
#23
Edward L. Phillips
2
#24
Franklyn J. Amorse
2
#25
Franklin H. Ellis
2
#26
Frank J. Freedman
2
#27
Frank H. Jellinek
2
#28
Gerd Hoyer
2
#29
Hermann Leiberich
2
#30
Herbert Lipp
2
#31
Howard G. Coleman
2
#32
John M. Melisz
2
#33
Larry J. Joslyn
2
#34
Leonid I. Maizenberg
2
#35
Narayanan Madhavan
2
#36
Patrick D. Kidd
2
#37
Philip W. Spraker
2
#38
Riad M. A. Kocache
2
#39
Robert S. Behl
2
#40
Robert S. Quandt
2
#41
Terry Sterrett
2
#42
W. Lawson Batty, Jr.
2
#43
Warren D. Fishbaugh
2
#44
William Carter
2
#45
William A. Groves
2
#46
William J. Walsh
2
#47
Wolfgang Rosenfeldt
2
#48
Craig A. Andreiko
1
#49
Edwin Suter
1
#50
Egidio L. De Oliveira
1
#51
Emil Jandourek
1
#52
Emerson J. Purkapile
1
#53
Franklyn J. Amorese
1
#54
Frank Lentine
1
#55
G. Louis Reser
1
#56
George A. Gardner
1
#57
Gerold A. Mancini
1
#58
Gerd H. Merkle
1
#59
Gerald D. Wolfe
1
#60
Heinz Becker
1
#61
Helmut Grell
1
#62
Henry B. Peters, Jr.
1
#63
Isamu Nakamura
1
#64
James Michael Burke
1
#65
James Hamilton
1
#66
James R. Jordan
1
#67
Jay G. Schreckendgust
1
#68
Jonathan H. Mueller
1
#69
John Scoville
1
#70
Joseph Vincelli
1
#71
Lawrence S. Ring
1
#72
Max R. Kneer
1
#73
Melvin L. Larson
1
#74
Michael Schneier
1
#75
Norman R. Westfall
1
#76
Peter K. Baird
1
#77
Raymond E. Owen
1
#78
Richard J. Daisley
1
#79
Richard A. Leoncavallo
1
#80
Roger Earle
1
#81
Robert L. Probst
1
#82
Robert G. Relyea
1
#83
Ronald H. Sunderland
1
#84
Shigeo Goto
1
#85
Stephen A. Maselli
1
#86
Stanley L. Stankiewicz
1
#87
Stanley N. Woltosz
1
#88
Tadashi Yasui
1
#89
William B. Brosius, Jr.
1
#90
Stanley M. Ziarkowski
1
#91
Dinesh C. Tandon
1
#92
George J. Dormer
1
#93
James T. Hepinstall, Jr.
1
#94
Donald P. Persons
1
#95
Harold F. DeGraff, Jr.
1
#96
Achim Engelhardt
1
#97
Alan Chamberlain
1
#98
Alfred C. Lawson
1