Issued Patents 1989
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866925 | Arrangement for open-end rotor spinning having a spinning rotor | Wolfgang Feuchter | 1989-09-19 |
| 4866924 | Two-component yarn | — | 1989-09-19 |
| 4858422 | Suction roller arrangement for an open end friction spinning machine | — | 1989-08-22 |
| 4858421 | Arrangement for pneumatic false-twist spinning | — | 1989-08-22 |
| 4858420 | Pneumatic false-twist spinning process and apparatus | Hans Stahlecker | 1989-08-22 |
| 4858423 | Fiber feeding arrangement for open-end rotor spinning | — | 1989-08-22 |
| 4858275 | Opening roller construction for open end spinning machine and the like | Gerd Stahlecker | 1989-08-22 |
| 4854119 | Arrangement for open-end rotor spinning | Hans Stahlecker, Wolfgang Feuchter | 1989-08-08 |
| 4854523 | Twisted yarn feed spool and process for producing same | Hans Stahlecker | 1989-08-08 |
| 4835957 | Open-end spinning machine | Hans Stahlecker | 1989-06-06 |
| 4833874 | Yarn package exchange device and apparatus for spinning machines for double prestrengthened yarn | Dieter Lauschke | 1989-05-30 |
| 4833757 | Mounting for an opening roller | — | 1989-05-30 |
| 4831816 | Process and an arrangement for producing two yarn components respectively | — | 1989-05-23 |
| 4819419 | Arrangement for pneumatic false-twist spinning | Hans Stahlecker | 1989-04-11 |
| 4819422 | Arrangement for winding a double yarn onto a cross-wound spool | Hans Stahlecker | 1989-04-11 |
| 4805395 | Opening roller for an opening device of an open-end spinning machine | Hans Stahlecker, Gerhard Fetzer, Eugen Bader | 1989-02-21 |
| 4796421 | Arrangement for open-end rotor spinning | Hans Stahlecker | 1989-01-10 |