Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506421 | Controlled-deflection roll | Valentin Appenzeller | 1985-03-26 |
| 4466853 | Machine for the manufacture of molded bodies | Werner Hartmann | 1984-08-21 |
| 4410380 | Method for the continuous manufacture of sheets of material especially wood chip board | Karl-Heinz Ahrweiler | 1983-10-18 |
| 4327468 | Controlled deflection roll | Karl-Heinz Ahrweiler | 1982-05-04 |
| 4296537 | Variable deflection roll controlled by hydraulically actuated reciprocating elements | Karl-Heinz Ahrweiler | 1981-10-27 |
| 4288208 | Belt arrangement and press equipped therewith for the continuous manufacture of wood chipboard and similar materials | — | 1981-09-08 |
| 4285107 | Coolable roller | Werner Hartmann, Valentin Appenzeller | 1981-08-25 |
| 4275683 | Apparatus for applying foam to a moving web | Johannes Kutz, Walter Keller, Max Krüger | 1981-06-30 |
| 4256034 | Paper calender and its operation | Werner Hartmann | 1981-03-17 |
| 4196832 | Apparatus for the dwell treatment of textile webs | Kurt Quoos, Johannes Kutz | 1980-04-08 |