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
Cities
States
DD
Dentsply Research And Development
Rank (All Time):
#3895
of 106,127
Top 4%
167 inventors
196
Patents All Time
Top Inventors at Dentsply Research And Development
All Time
Showing 1–50 of 167 inventors
Rank
Name
Patents
1
Paul D. Hammesfahr
23
2
Louis H. Tateosian
16
3
Steven R. Jefferies
14
#4
Chin-Teh Huang
13
#4
Donald I. Gonser
13
#6
Kewang Lu
10
#7
George E. Warrin
9
#7
Robert V. Hare
9
#9
Gordon Blackwell
7
#9
Richard H. Paschke
7
#9
Richard E. Welsh
7
#9
Andrew Lichkus
7
#13
Barry Dehoff
6
#13
Emery W. Dougherty
6
#13
John J. Blair
6
#13
Roger Shue
6
#17
George Eden
5
#17
Jeffrey McGraw
5
#17
Paul A. Silver
5
#17
Rene J. Perdreaux
5
#17
Richard J. Bennett
5
#17
Roy L. Smith
5
#23
Benjamin J. Sun
4
#23
Douglas D. Bennett
4
#23
Eric Chan
4
#23
James McNulty
4
#23
Jeffrey Frederick Miller
4
#23
Mark White
4
#23
Mingxin Fan
4
#23
Pamela H. Hare
4
#23
Paul Pierson
4
#23
Richard E. Plowman
4
#23
Ronald E. Huffman
4
#23
Robert J. Schuman
4
#23
Russell D. Green
4
#23
Thomas V. Kopunek
4
#23
Vickie Reynolds
4
#23
Wayne C. Seeley
4
#23
Wu-Lan Wang
4
#23
Alfred E. Corbellini
4
#23
Andrew Liu
4
#42
David P. Pollock
3
#42
Duane E. Barber
3
#42
Eugene Novak
3
#42
Francis F. Koblitz
3
#42
Frederick D. Roemer
3
#42
Harvey B. Foulkes
3
#42
Huy Dao
3
#42
John Brassil
3
#42
John Subelka
3
1
2
3
Next »