Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640838 | Apparatus and method for effecting yarn piecing on an open-end rotor spinning machine | Josef Breitenhuber | 1997-06-24 |
| 5595058 | Open-end spinning device | — | 1997-01-21 |
| 5581991 | Process for open-end spinning | — | 1996-12-10 |
| 5491966 | Process and device for open-end spinning | — | 1996-02-20 |
| 5471829 | Open-end spinning device | — | 1995-12-05 |
| 5367868 | Process and device for open-end spinning | — | 1994-11-29 |
| 5313777 | Spinning process and device for the production of a yarn | Johann Rottmayr | 1994-05-24 |
| 5241813 | Spinning process and device for the production of a yarn | Johann Rottmayr | 1993-09-07 |
| 4819420 | Process and device for piecing to an open-end friction spinning device | Kurt Lovas | 1989-04-11 |
| 4760693 | Process and device for open-end friction spinning | — | 1988-08-02 |
| 4731986 | Process and device for open-end friction spinning | — | 1988-03-22 |
| 4727716 | Dual nip open-end friction spinning | — | 1988-03-01 |
| 4697410 | Open-end spinning device | — | 1987-10-06 |
| 4391089 | Apparatus for piecing-up a wrap yarn | Erich Bock | 1983-07-05 |