HC

Hans-Rolf Conrad

VG Voith Sulzer Finishin Gmbh: 7 patents #4 of 36Top 15%
SG Sulzer Papertec Krefeld Gmbh: 4 patents #1 of 11Top 10%
VG Voith Paper Patent Gmbh: 3 patents #43 of 286Top 20%
VG Voith Sulzer Papiertechnik Patent Gmbh: 3 patents #52 of 224Top 25%
KG Kleinewefers Gmbh: 2 patents #13 of 50Top 30%
Overall (All Time): #241,902 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
7045037 Process for cleaning a roll in a calender 2006-05-16
6705216 Calender 2004-03-16
6616809 Process and device for producing paper reels Dirk Cramer 2003-09-09
6250582 Roll winding device and method Josef Kohnen 2001-06-26
6230615 Calender and process for treatment of paper web Lothar Zimmermann 2001-05-15
6209817 Method and apparatus for monitoring a winding hardness of a winding roll Dirk Cramer 2001-04-03
5784955 Calender in a paper-making or a coating machine 1998-07-28
5706631 Method and device for packaging a roll formed by a wound web of material 1998-01-13
5685955 Method for processing a web of material using individually controllable zones Reinhard Leigraf 1997-11-11
5655442 Calender for the treatment of a paper web Franz Kayser 1997-08-12
5647555 Winding roller support device for web material Dieter Junk 1997-07-15
5619807 Method and apparatus for processing a web of material 1997-04-15
5613307 Heatable roll for the treatment of webs of material as well as method for their operation Dirk Cramer 1997-03-25
5477659 Method and arrangement for the packaging of a material-web roll Franz Kayser 1995-12-26
5439366 Safety device for a roll space of a calender or similar roll machine Jochen Autrata, Albert Hille 1995-08-08
5427021 Calender for material webs or the like 1995-06-27
5427020 Finger-protection device for a roller gap Horst Castner 1995-06-27
5333544 Mobile platform for operators of calenders 1994-08-02
5289766 Apparatus for cooling calender rolls and the like Jurgen Baumeister 1994-03-01