Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336451 | Process and device for confining, retaining and sucking off fumes, dust or the like | Hannelore Röhl-Hager | 2002-01-08 |
| 6179015 | Device and method for packaging | Roman Kammler, Walter Baur | 2001-01-30 |
| 5050581 | Process and device for drawing off vapors and fumes | Hannelore Röhl-Hager | 1991-09-24 |
| 4813851 | Process and appliance for conveying liquid or gaseous fluids | Chung-hwan Chun | 1989-03-21 |