Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34328 | Apparatus for helically slitting a continuous tubular film of synthetic thermoplastic material | — | 1993-08-03 |
| 4809413 | Apparatus for helically slitting a continuous tubular film of synthetic thermoplastic material | — | 1989-03-07 |
| 4696575 | Single-screw extruder for producing thermoplastic and elastomeric products | — | 1987-09-29 |
| 4682941 | Flattening and take-off apparatus for providing a plastic film web from a blown tubular film | Rudolf Peters | 1987-07-28 |
| 4678417 | Apparatus for cooling tubular plastic film extruded from a film blowing head | — | 1987-07-07 |
| 4643657 | Apparatus for cooling tubular plastic films extruded from a film blowing head | Fritz Achelpohl | 1987-02-17 |
| 4605365 | Blowing head for making tubular plastic films | — | 1986-08-12 |
| 4601649 | Cooling apparatus for tubular plastics film extruded from a film blow head | — | 1986-07-22 |
| 4541982 | Process and apparatus for forming and rearranging partial streams of molten materials processed in an extruder for making thermoplastic and/or elastomeric products | — | 1985-09-17 |
| 4494877 | Funnel member for single-screw extruder | Thilo Schreiber | 1985-01-22 |
| 4464318 | Method of controlling the film thickness at a blown film installation | Gerd Klinge, Gerhard Winkler | 1984-08-07 |
| 4426239 | Method of controlling the film thickness of flat films produced in flat film extruder installations | — | 1984-01-17 |
| 4425290 | Method of controlling the film thickness of tubular film produced in a blown film extruder installation | — | 1984-01-10 |
| 4351785 | Method of controlling the film thickness at a blown film extruder installation | Gerd Klinge, Gerhard Winkler | 1982-09-28 |
| 4339403 | Method of controlling the film thickness at a blown film extruder installation | Gerd Klinge, Gerhard Winkler | 1982-07-13 |
| 4339404 | Method of controlling the film thickness at a blown film installation | Gerd Klinge, Gerhard Winkler | 1982-07-13 |
| 4246212 | Method and apparatus for optimizing the output of a blown film extruder plant by means of a process computer | Helmut Helbig, Werner Zimmermann, Gerhard Winkler, Ferdinand Loning | 1981-01-20 |
| 4214934 | Process for coating woven tubing of fibrillated tape with synthetic thermoplastics | Horst Schmidt, Hans-Joachim Brauner | 1980-07-29 |