Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6880814 | Process gas conditioning for tobacco dryers | Frank Pluckhahn, Gerald Schmekel, Dietmar Franke | 2005-04-19 |
| 6834653 | Apparatus for expanding tobacco | Frank Pluckhahn, Gerald Schmekel | 2004-12-28 |
| 6779527 | Device for conditioning comminuted tobacco material | Uwe Werner Ehling, Frank Pluckhahn, Gerald Schmekel | 2004-08-24 |
| 6542234 | Method of detecting the particles of a tobacco particle stream | Reinhard Ulrich, Gerald Schmekel, Heinz-Werner Masurat, Uwe Werner Ehling | 2003-04-01 |
| 6397851 | Method for expanding tobacco | Frank Pluckhahn, Gerald Schmekel | 2002-06-04 |
| 6185843 | Tobacco dryers | William J. Stone, Ian Ernest Tatham, Werner Hirsch | 2001-02-13 |
| 5826590 | Method and plant for treating tobacco stems for the production of cut tobacco | Wolfgang Metzner, Bernd Spallek | 1998-10-27 |
| 5813413 | Method and plant for treating tobacco leaves for the production of cut tobacco | Wolfgang Metzner, Bernd Spallek | 1998-09-29 |
| 5791353 | Method and apparatus for denitrating tobacco stem material | Gitta Junemann, Gerald Schmekel, Wilfried Stiller | 1998-08-11 |
| 5722431 | Method and plant for treating tobacco leaves for the production of cut tobacco | Wolfgang Metzner, Bernd Spallek | 1998-03-03 |
| 5339837 | Drying process for increasing the filling power of tobacco material | Werner Hirsch, Erhard Rittershaus, Gitta Junemann, Caspar H. Koene, Ingo Pautke +3 more | 1994-08-23 |
| 5277204 | Device for the directed supply of tobacco ribs to a cutting tool | Meinhard Meyer, Werner Wollburg, Friedrich Walther, Wilfried Stiller | 1994-01-11 |
| 5201328 | Method and apparatus for the production of coaxial tobacco or filter rods and coaxial tobacco or filter rod made by said method | Otto Blaffert, Meinhard Meyer, Herbert Struck | 1993-04-13 |
| 5097851 | Tobacco sheet and method and apparatus for the production of a tobacco sheet | Uwe Werner Ehling, Jurgen Nusslein, Gerald Schmekel, Wilfried Stiller, Werner Hass +2 more | 1992-03-24 |
| 4938235 | Separator for separating tobacco particles from a tobacco/gas mixture | Werner Hirsch | 1990-07-03 |
| 4844101 | Apparatus for expanding comminiuted tobacco material | Werner Hirsch, Erhard Ritterhaus | 1989-07-04 |
| 4709709 | Process for the moistening of comminuted smoking materials | Gitta Junemann, Werner Hirsch | 1987-12-01 |
| 4557057 | Apparatus for the drying of tobacco materials | Horst Gaisser | 1985-12-10 |
| 4523598 | Process for improving the filling capacity of tobacco material | Jorn Ulrich | 1985-06-18 |