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
›
Water Pik
WP
Water Pik
Rank
(All Time):
#2,078
of
106,127
Top 2%
120
inventors
396
Patents All Time
Top Inventors at Water Pik
All Time
Showing
1–50
of
120
inventors
Rank
Name
Patents
1
Jeffrey Ladwig
71
2
Harold A. Luettgen
60
3
Michael J. Quinn
57
#4
Leland C. Leber
52
#5
Brian R. Williams
40
#6
Kurt M. Taylor
39
#7
Carson Noel Massie
28
#8
Hyunchul Kim
27
#9
Gary L. Sokol
26
#10
Joseph W. Cacka
24
#10
Adam Weisgerber
24
#12
Austin Rand Porter
23
#13
Oscar Senff
21
#14
Robert D. Wagner
18
#15
Kenneth A. Hair
17
#16
Clifford J. Snyder
16
#16
Craig P. Rogers
16
#16
Preston Peterson
16
#19
Jon W. Lindholm
14
#19
Antonio Belton
14
#21
Brian Boyd
13
#21
Taiwon Choi
13
#23
Gary D. Golichowski
12
#23
Heman Au
12
#23
Jeremy Johnson
12
#26
Brian Woodard
9
#26
Roberta L. Callaghan
9
#26
Thomas A. Bondurant
9
#29
Taylor Thomas
8
#29
William B. Stephens
8
#31
Carl T. Whitaker
7
#31
Robert B. Male
7
#33
Jeff Ladwig
6
#33
Jeffrey C. Thurgood
6
#33
Kenneth J. Lang
6
#33
Zuqiang Zhuang
6
#33
Aaron Damian Macan
6
#38
Ryan Saunders
5
#38
Scott Joseph Thorne
5
#38
Timothy A. Bachman
5
#38
William J. Gillette
5
#42
Brenda Lee Thomas
4
#42
Douglas R. Gibbs
4
#42
Douglas A. Lonsinger
4
#42
Edward C. Giordano
4
#42
Gary J. Thomas
4
#42
Gordon Haszier
4
#42
James M. Jennings
4
#42
Jungwhan Chei
4
#42
Mark Vander Berg
4
1
2
3
Next »
Related Companies
Acco Brands
397
Bissell
396
Aventis Pharma S.A.
396
Digital Global Systems
396
Aerovironment
396
Gateway Consultants Group
395
Western Atlas International
395
Agresearch Limited
395
Henkel Ip & Holding Gmbh
395