Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643611 | Apparatus for calibrating and supporting an extruded tubular film blown up into a film bubble | Wilfried Howe | 1997-07-01 |
| 5137224 | Winding spindle | Rolf Kammann | 1992-08-11 |
| 4831909 | Apparatus for slitting a web into narrow webs or strips | Richard Saatkamp | 1989-05-23 |
| 4767075 | Apparatus for forming a plurality of supply rolls consisting of respective wound strips formed from a wide web by slitting | Rolf Kammann | 1988-08-30 |
| 4682941 | Flattening and take-off apparatus for providing a plastic film web from a blown tubular film | Hartmut Upmeier | 1987-07-28 |
| 4650406 | Apparatus for forming gussets in a tubular plastic film | — | 1987-03-17 |