Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11484055 | Modular tobacco preparation including extrusion | Dietmar Franke | 2022-11-01 |
| 10398166 | Modular tobacco preparation including extrusion | Dietmar Franke | 2019-09-03 |
| 9351519 | Modular tobacco preparation including extrusion | Dietmar Franke | 2016-05-31 |
| 9173433 | Tobacco shredder with double-mounted conveyor-worm shaft | Volker Kuhl, Dietmar Franke | 2015-11-03 |
| 9101164 | Extractive tobacco material extrusion | Dietmar Franke | 2015-08-11 |
| 8931491 | Extractive tobacco material extrusion | Dietmar Franke | 2015-01-13 |
| 8857075 | Production of smoking products by thermal extrusion | Dietmar Franke | 2014-10-14 |
| 8820328 | Defibration of tobacco material | Uwe Werner Ehling, Dietmar Franke, Matthias Link | 2014-09-02 |
| 8418697 | High-pressure forming process for tobacco material | Uwe Werner Ehling, Dietmar Franke | 2013-04-16 |
| 7934511 | Processing of tobacco materials containing a proportion of tobacco fines | Uwe Werner Ehling, Matthias Link | 2011-05-03 |
| 7934509 | Defibration of tobacco material | Uwe Werner Ehling, Dietmar Franke, Matthias Link | 2011-05-03 |
| 7387128 | Pressure-conditioning method | Uwe Werner Ehling, Frank Pluckhahn, Hans-Werner Fuchs, Matthias Link | 2008-06-17 |
| 7380554 | Pressure-conditioning device | Uwe Werner Ehling, Frank Pluckhahn, Hans-Werner Fuchs, Matthias Link | 2008-06-03 |
| 6880814 | Process gas conditioning for tobacco dryers | Frank Pluckhahn, Arno Weiss, Dietmar Franke | 2005-04-19 |
| 6834653 | Apparatus for expanding tobacco | Frank Pluckhahn, Arno Weiss | 2004-12-28 |
| 6779527 | Device for conditioning comminuted tobacco material | Uwe Werner Ehling, Frank Pluckhahn, Arno Weiss | 2004-08-24 |
| 6542234 | Method of detecting the particles of a tobacco particle stream | Reinhard Ulrich, Arno Weiss, Heinz-Werner Masurat, Uwe Werner Ehling | 2003-04-01 |
| 6397851 | Method for expanding tobacco | Frank Pluckhahn, Arno Weiss | 2002-06-04 |
| 6067995 | Coaxial cigarette having cross stream barrier | Werner Schneider, Thomas Jung, Erwin Kausch, Bernd Spallek | 2000-05-30 |
| 5791353 | Method and apparatus for denitrating tobacco stem material | Gitta Junemann, Arno Weiss, Wilfried Stiller | 1998-08-11 |
| 5121758 | Glue and method for its production | Wilfried Stiller, Meinhard Meyer, Knut Moller | 1992-06-16 |
| 5119835 | Method for extracting tobacco alkaloids | Volker Heemann, Uwe Werner Ehling, Bernhard Hauser, Casper H. Koene, Helge Rabitz | 1992-06-09 |
| 5097851 | Tobacco sheet and method and apparatus for the production of a tobacco sheet | Uwe Werner Ehling, Jurgen Nusslein, Wilfried Stiller, Werner Hass, Volker Heemann +2 more | 1992-03-24 |
| 5052415 | Process for the impregnation of fibers of a tobacco smoke filter with dicarboxylic or polycarboxylic acids or anhydrides thereof | Paul-Georg Henning | 1991-10-01 |
| 4641667 | Process of preparing nicotine N'-oxide and smoking products containing it | Gert Rudolph | 1987-02-10 |