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
›
Refractory Intellectual Property
RP
Refractory Intellectual Property
— 106 Patents
Rank
(All Time):
#6,782
of
106,120
Top 7%
157
inventors
106
Patents All Time
Top Inventors at Refractory Intellectual Property
All Time
Showing
1–50
of
157
inventors
Rank
Name
Patents
1
Gerald Nitzl
11
2
Roland Nilica
8
3
Bernd Trummer
6
#4
Alexander Maranitsch
5
#4
Boro Djuricic
5
#4
Christoph Bauer
5
#4
Gernot Hackl
5
#4
Jean-Daniel Cousin
5
#4
Martin Geith
5
#4
Norbert Freiberger
5
#11
Bojan Zivanovic
4
#11
Michael Klikovich
4
#13
Arno Stranimaier
3
#13
Bernd Buchberger
3
#13
Beat Heinrich
3
#13
Benno Steiner
3
#13
Christian Manhart
3
#13
Goran Vukovic
3
#13
Hans-Jurgen Haslinger
3
#13
Josef Nievoll
3
#13
Karl-Michael Zettl
3
#13
Klaus Santowski
3
#13
Norman Edward Rogers
3
#13
Sarah Kohler
3
#13
Stephen Lee
3
#13
Wilfried Eckstein
3
#27
Andreas Lynker
2
#27
Bernhard Handle
2
#27
Christian Majcenovic
2
#27
Damian Schacher
2
#27
Friedrich Kahr
2
#27
Gerald Gelbmann
2
#27
Gernot Lukesch
2
#27
Gerald Reif
2
#27
Gregor Lammer
2
#27
Harald Harmuth
2
#27
Harald Kerschbaum
2
#27
Helmut Kaufmann
2
#27
Johann Eder
2
#27
Jorge Palafox-Ramos
2
#27
Jurgen Muhlhausser
2
#27
Karl Budna
2
#27
Klaus Gamweger
2
#27
Leopold Kneis
2
#27
Matthäus Haider
2
#27
Martin Wiesel
2
#27
Milos Blajs
2
#27
Michael Klitzsch
2
#27
Rainer Neubock
2
#27
Raghunath Prasad Rana
2
1
2
3
Next »
Related Companies
Pq
106
B&G Plastics
106
Shanghai Research Institute Of Petrochemical Technology, Sinopec
106
True Manufacturing Co.
106
Nakanishi
106
Zhen Ding Technology Co.
106
Anheuser-Busch Inbev S.A.
106
Omrix Biopharmaceuticals
106
Liko Research & Development Ab
106