Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846417 | Method of and apparatus for the feeding of a paper web to a roll-making machine | Georg Muller, Peter Hoffmann | 1989-07-11 |
| 4824039 | Apparatus for applying a paper web to the underside of a roll-making drum | Georg Muller, Peter Hoffmann | 1989-04-25 |
| 4817883 | Measuring device for the pressing zone width of a roller on a roll of material and process and controller for making the roll with a predetermined roll hardness | Peter Hoffmann, Hans Leichter, Ewald G. Welp | 1989-04-04 |
| 4676094 | Roll-firmness measuring device | Peter Hoffmann, Hans Leichter, Ewald G. Welp | 1987-06-30 |
| 4638657 | Device for measuring the winding hardness of a strip, especially a strip of paper, wound into a reel | Georg Muller | 1987-01-27 |
| 4483463 | Apparatus for dispensing very small quantities of liquid | — | 1984-11-20 |
| 4232802 | Apparatus for pulsewise dispensation of very small amounts of liquid, particularly H.sub.2 O.sub.2 | — | 1980-11-11 |
| 4223806 | Apparatus for the pulsed dispensation of very small amounts of liquid, especially hydrogen peroxide | — | 1980-09-23 |
| 4181847 | Apparatus for synchronizing the speeds of two webs of goods | Karl Thievessen, Peter Weiss, Werner Reitter | 1980-01-01 |