Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447744 | Process for the preparation of hydrogen peroxide | Thomas Haas, Jürgen Glenneberg, Matthias Creutz, Jorg Sauer, Rudolf Vanheertum | 2002-09-10 |
| 6434952 | Freezer head for pipe freezing devices | — | 2002-08-20 |
| 6427973 | Vacuum system with a vacuum plate valve | — | 2002-08-06 |
| 6415641 | Device for applying a pressing force | — | 2002-07-09 |
| 6417318 | Process for the removal of dissolved oxygen from phenol | Frieder Heydenreich, Michael Bödiger | 2002-07-09 |
| 6391377 | Process for vacuum treating workpieces, and corresponding process equipment | Jacques Schmitt, Jerome Perrin | 2002-05-21 |