Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172739 | Device for combining groups of filter segments for producing multi-segment filters of the tobacco industry, and trough drum | Sonke Horn, Thorsten Scherbarth, Stephan Wolff, Gerd Strohecker, Steffen Rocktaschel +3 more | 2012-05-08 |
| 7004896 | Method and arrangement for producing compound filters | Uwe Heitmann, Sonke Horn, Nikolaos Georgitsis, Steffen Rocktaschel, Stephan Wolff +4 more | 2006-02-28 |
| 6968847 | Method of and apparatus for measuring the diameters of rod-shaped articles | — | 2005-11-29 |
| 6877515 | Method of making a tobacco rod | Uwe Heitmann | 2005-04-12 |
| 6814080 | Apparatus for making a tobacco rod | Uwe Heitmann | 2004-11-09 |
| 6814082 | Apparatus and method for generating information on the characteristics of a fiber rope | — | 2004-11-09 |
| 6783617 | Method of densifying streams of filter material for tobacco smoke | — | 2004-08-31 |
| 5234397 | Method of and apparatus for making composite filter rod sections for use in filter tipping machines | Gunter Wahle | 1993-08-10 |
| 4941482 | Apparatus for measuring the density of a tobacco stream | Uwe Heitmann, Wolfgang Siems, Peter Pinck | 1990-07-17 |
| 4926886 | Method of and apparatus for making a trimmed stream of tobacco fibers or the like | Uwe Heitmann, Wolfgang Siems, Peter Pinck | 1990-05-22 |
| 4889140 | Apparatus for making perforations in articles of the tobacco processing industry | Peter Pinck, Norbert Lange | 1989-12-26 |
| 4878506 | Method of and apparatus for treating accumulations of fibers of tobacco or other smokable material | Peter Pinck, Uwe Heitmann, Wolfgang Siems | 1989-11-07 |
| 4865054 | Method of and apparatus for making and processing streams of fibrous material of the tobacco processing industry | Uwe Heitmann, Wolfgang Siems | 1989-09-12 |
| 4856539 | Method of and apparatus for uniformizing the moisture content of tobacco | — | 1989-08-15 |
| 4759379 | Method and apparatus for regulating the permeability of cigarette wrappers and the like | — | 1988-07-26 |
| 4736754 | Method and apparatus for making rod-shaped smokers' products with soft cores | Uwe Heitmann, Wolfgang Steiniger | 1988-04-12 |
| 4662214 | Method and apparatus for testing rod-shaped articles of the tobacco processing industry | Uwe Heitmann, Peter Brand | 1987-05-05 |
| 4651754 | Apparatus for building a stream from particles of smokable material | Uwe Heitmann, Wolfgang Steiniger | 1987-03-24 |
| 4632130 | Method and apparatus for making a rod-like filler of smokable material | Uwe Heitmann, Wolfgang Steiniger | 1986-12-30 |
| 4616663 | Method and apparatus for forming a homogeneous mass of comminuted smokable material | Uwe Heitmann, Wolfgang Steiniger | 1986-10-14 |
| 4543816 | Method and apparatus for monitoring the diameters of rod-shaped products of the tobacco processing industry | Peter Brand, Uwe Heitmann, Peter F. Menzel | 1985-10-01 |
| 4537206 | Apparatus for perforating and testing the permeability of running webs of cigarette paper or the like | Uwe Heitmann, Kurt-Eckart Petersen, Peter Pinck | 1985-08-27 |
| 4323082 | Apparatus for making holes in webs of wrapping material for cigarettes or the like | Adolf Helms | 1982-04-06 |
| 4306445 | Apparatus for testing groups of cigarettes or like rod-shaped articles | Uwe Marsau, Uwe Heitmann | 1981-12-22 |
| 4287754 | Apparatus for and method of multiple testing of wrappers of cigarettes or the like | Uwe Heitmann, Gunter Wahle, Rolf Dahlgrun | 1981-09-08 |