Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860406 | Method for detecting the density or thickness and variations thereof of fiber material at the infeed of a textile machine as well as a method for evening the density or thickness variations of fiber material at the infeed of a textile machine | Paul Staheli, Peter Fritzsche | 1989-08-29 |
| 4854011 | Method for automatically compensating density or thickness variations of fiber material at textile machines, such as cards, draw frames and the like | Paul Staheli, Peter Fritzsche | 1989-08-08 |
| 4848686 | Bobbin tube and package support and bearing unit therefor and filament tape-up system | Walter Hefti, Urs Keller, Daniel Hanselmann | 1989-07-18 |
| 4848689 | Package former support device | Daniel Hanselmann | 1989-07-18 |
| 4820350 | Device for cleaning at least one sensor roller and method of cleaning such sensor roller | Anton Wuest | 1989-04-11 |