Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471828 | Headbox | Wolfgang Ruf, Thomas Dietz, Klaus Lehleiter, Konstantin Fenkl | 2002-10-29 |
| 6464837 | Headbox and process for the metered addition of a fluid medium into a suspension stream of a headbox | Wolfgang Ruf, Klaus Lehleiter | 2002-10-15 |
| 6368461 | Device to control or regulate the basis weight of a paper or cardboard web | Wolfgang Ruf, Klaus Lehleiter | 2002-04-09 |