Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12250962 | Methods of treating cut stem tobacco material | Dietmar Franke, Frank Plueckhahn, Matthias Link, Thomas Lindner | 2025-03-18 |
| 9961936 | Multi-filter for a smoking product | Markus Schosnig, Eduard Nica, Paulo Oliveira, John Richardson, Martin Graham Duke +1 more | 2018-05-08 |
| 8113217 | Filter tip cigarettes and method of manufacturing same | — | 2012-02-14 |
| 7322361 | Method for supplying a flowable medium to the tobacco of a smoking product | Heiko Hertrich | 2008-01-29 |
| 6745778 | Device for supplying a flowable medium to the tobacco of a smoking product | Heiko Hertrich | 2004-06-08 |