Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625187 | Apparatus for measuring the density of accumulations of fibrous material in multiple rod making machines of the tobacco processing industry | Erwin Schmalfeld, Elke Kohler | 1997-04-29 |
| 5125418 | Method of and apparatus for generating electric signals denoting the mass flow of fibrous material in a stream | — | 1992-06-30 |
| 5103086 | Method of and apparatus for ascertaining the density of a stream of fibrous material | Matthias Overath | 1992-04-07 |
| 5060664 | Method of and apparatus for making streams containing fibrous materials of the tobacco processing industry | Andrzej Radzio | 1991-10-29 |
| 4941482 | Apparatus for measuring the density of a tobacco stream | Uwe Heitmann, Heinz-Christen Lorenzen, Peter Pinck | 1990-07-17 |
| 4926886 | Method of and apparatus for making a trimmed stream of tobacco fibers or the like | Heinz-Christen Lorenzen, Uwe Heitmann, Peter Pinck | 1990-05-22 |
| 4878506 | Method of and apparatus for treating accumulations of fibers of tobacco or other smokable material | Peter Pinck, Heinz-Christen Lorenzen, Uwe Heitmann | 1989-11-07 |
| 4875494 | Method of and apparatus for making a rod of fibrous material | — | 1989-10-24 |
| 4865054 | Method of and apparatus for making and processing streams of fibrous material of the tobacco processing industry | Heinz-Christen Lorenzen, Uwe Heitmann | 1989-09-12 |
| 4848369 | Method of and machine for simultaneously making two or more rods from fibrous material | — | 1989-07-18 |
| 4805641 | Method and apparatus for ascertaining the density of wrapped tobacco fillers and the like | Andrzej Radzio | 1989-02-21 |
| 4528841 | Apparatus for testing cigarettes and the like | — | 1985-07-16 |
| 4429567 | Apparatus for testing cigarettes or the like | Franz Koch, Adolf Helms, Peter Brand | 1984-02-07 |