Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 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
›
C. Rob. Hammerstein
CH
C. Rob. Hammerstein
— 121 Patents
Rank
(All Time):
#6,009
of
106,120
Top 6%
88
inventors
121
Patents All Time
Top Inventors at C. Rob. Hammerstein
All Time
Showing
1–50
of
88
inventors
Rank
Name
Patents
1
Burckhard Becker
68
2
Wilfried Beneker
55
3
Ernst-Reiner Frohnhaus
14
#4
Robert Houston
13
#5
Burkhard Becker
9
#6
Heinz Bauer
8
#6
Reinhard Vogel
8
#8
Antal Teer
6
#8
Ulrich Karthaus
6
#10
Nils Magnus
5
#10
Van-Toan Ho
5
#12
Axel Speck
4
#12
Daniel Urban
4
#12
Robert Landskron
4
#12
Rolf Steinmetz
4
#12
Thomas Thiel
4
#12
Wilhelm Wingensiefen
4
#18
Ivica Stanic
3
#18
Sascha Eckhoff
3
#18
Thomas Arndt
3
#21
Andre Dick
2
#21
Andreas Müller
2
#21
Frank Peters
2
#21
Jens Hoppe
2
#21
Jörg-Max Wölfel
2
#21
Markus Gumbrich
2
#21
Michael Hennicke
2
#21
Michael Kaiser
2
#21
Michael LENG
2
#21
Michael Lindemann
2
#21
Michael Lingner
2
#21
Michael Reimann
2
#21
Stefan Lingnau
2
#21
Stefan Pietas
2
#21
Thorsten Schürmann
2
#21
Waldemar Luft
2
#37
Alexander Mishuris
1
#37
Alexei Ovseenko
1
#37
Andreas Hoffmann
1
#37
Andras Hoffmann
1
#37
Andreas Thiex
1
#37
Arif Karadag
1
#37
Axel Poley
1
#37
Christian Sturm
1
#37
David Balzar
1
#37
Dirk Hanisch
1
#37
Dieter Klimars
1
#37
Dieter STRASSER
1
#37
Franz Hari
1
#37
Frank Simon
1
1
2
Next »
Related Companies
Global Trademarks
122
Man Energy Solutions Se
122
Yamamoto Kogaku Co.
121
Kuryakyn Holdings
121
Lifescan Scotland Limited
121
Schneider Automation
121
Woodward Governor
121
Siemens Building Technologies Ag
121
Scripps Clinic And Research Foundation
121