Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350127 | Process and device for monitoring the bobbin thread on stitch-forming machines | Kurt Arnold, Wolfgang Hauck, Reiner Klein, Karl-Heinz Walther, Horst Zinssmeister | 1994-09-27 |
| 5271345 | Device for optically scanning the material being sewn in a sewing machine | Bernd Matschulat, Robert Massen | 1993-12-21 |
| 5267518 | Process and device for monitoring the bobbin thread on stitch-forming machines | Kurt Arnold, Wolfgang Hauck, Reiner Klein, Karl-Heinz Walther, Horst Zinssmeister | 1993-12-07 |
| 5237944 | Stitch-forming machine with a transducer and a control device | Erich Willenbacher, Rainer Spickermann, Walter Sinn | 1993-08-24 |
| 5027730 | Sewing machine with a thread monitor for the thread of the bobbin | Reinhold Dobner, Erich Willenbacher | 1991-07-02 |
| 4968018 | Device for separating, delivering and depositing blanks | Klaus Hoehne, Erich Willenbacher | 1990-11-06 |
| 4805544 | Sewing machine with thread monitor for the bobbin thread | Reinhold Dobner, Erich Willenbacher | 1989-02-21 |
| 4732098 | Thread monitor for the bottom thread in the bobbin of a sewing machine | Erich Willenbacher | 1988-03-22 |