Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005501 | Method and apparatus for producing a film web from thermoplastic material and film produced thereby | Helmut Meyer | 2015-04-14 |
| 8641396 | Spiral distributor, die head, blown film line, and method for manufacturing a blown film | — | 2014-02-04 |
| 8641397 | Spiral distributor, die head, blown film line, and method for manufacturing a blown film | — | 2014-02-04 |
| 7736140 | Interior cooling body for a blowfilm system, blowfilm system, and process for producing a blowfilm | — | 2010-06-15 |
| 7490974 | Screw extrusion press and method with mixing rings having passages | — | 2009-02-17 |
| 7370564 | Cutting device and transporting roller for webs of material | — | 2008-05-13 |
| 7314196 | Apparatus for handling a finished roll and a winding shaft on a winding apparatus for webs of material | Edgar Gandelheidt, Konrad Butty | 2008-01-01 |