FH

Frank Hirschmann

ZA Zf Sachs Ag: 11 patents #2 of 172Top 2%
MA Mannesmann Sachs Ag: 7 patents #29 of 301Top 10%
HG Hydro Aluminum Rolled Products Gmbh: 3 patents #10 of 60Top 20%
Overall (All Time): #203,905 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11945008 Roller cleaning method and roller cleaning machine Kathrin Eckhard, Olaf Güßgen 2024-04-02
11131037 Aluminium alloy sheet optimised for forming Kathrin Eckhard, Bernhard Kernig, Gernot Nitzsche, Henk-Jan Brinkman 2021-09-28
10889912 Aluminium alloy strip for adhesive connection Bernhard Kernig, Henk-Jan Brinkman, Kathrin Eckhard, Gernot Nitzsche 2021-01-12
7472768 Drive system, especially for a motor vehicle Armin Denner, Knut Welke, Klaus Steinel, Joachim Lindner 2009-01-06
6918479 Diaphragm spring for a friction clutch Martin Pahrisch, Ronald Beck, Alfred Schraut, Erwin Ziegler 2005-07-19
6915891 Pressure plate assembly for a friction clutch Reinhold Weidinger 2005-07-12
6877596 Diaphragm spring for a friction clutch Martin Pahrisch, Ronald Beck, Alfred Schraut, Erwin Ziegler 2005-04-12
6877595 Friction clutch Klaus Neumann 2005-04-12
6782985 Friction clutch, especially a multi-disk clutch Norbert Lohaus, Reinhold Weidinger, Klaus Steinel, Erwin Ziegler, Wolfram Hick +1 more 2004-08-31
6755294 Pressure plate assembly for a friction clutch Erwin Ziegler, Reinhold Weidinger, Klaus Steinel, Wolfram Hick, Norbert Lohaus +1 more 2004-06-29
6745884 Housing arrangement for a friction clutch Wolfram Hick, Klaus Steinel, Erwin Ziegler, Reinhold Weidinger, Norbert Lohaus +1 more 2004-06-08
6736248 Transport-securing arrangement for a pressure plate assembly of a multi-disk clutch Erwin Ziegler, Reinhold Weidinger, Klaus Steinel, Wolfram Hick, Norbert Lohaus +1 more 2004-05-18
6695116 Pressure plate assembly for a multi-disk clutch Erwin Ziegler, Klaus Steinel, Reinhold Weidinger, Wolfram Hick, Norbert Lohaus +1 more 2004-02-24
6695115 Process for adjusting a friction clutch system Joachim Lindner, Reinhold Weidinger, Klaus Steinel, Erwin Ziegler, Wolfram Hick +1 more 2004-02-24
6672444 Pressure plate assembly Reinhold Weidinger, Erwin Ziegler 2004-01-06
6655518 Housing arrangement for a pressure plate assembly, pressure plate assembly for a friction clutch Hubert Tremer 2003-12-02
6622836 Release system for a clutch assembly Thomas Otto, Herbert Voit, Manfred Wehner 2003-09-23
6259995 Process and device for determining wear in a friction clutch Alfred Amberger 2001-07-10
6234290 Actuating installation for pneumatic clutch actuation with overload protection and/or incorrect-operation protection Hans-Jurgen Drexl, Barbara Ester, Jurgen Liebler, Joachim Lindner, Thomas Otto +2 more 2001-05-22
6206158 Wear indicator for friction clutches Roland Muller, Marco Greubel, Erwin Ziegler 2001-03-27
6116400 Assembly for a friction clutch Roland Muller, Marco Greubel, Erwin Ziegler, Winfried Sturmer 2000-09-12