Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12157297 | Doctor blade strip for cutting to length for use in printing | Martin Michel | 2024-12-03 |
| 11370244 | Writing, drawing, marking and/or cosmetic device | Michael D. Schulze | 2022-06-28 |
| 10401981 | Input device for touch-sensitive, capacitive surfaces | Oliver Schwab, Rilke Dix, Jürgen Adler, Arno Castner, Max Bergmann +1 more | 2019-09-03 |
| 6483062 | Push-pull switch | Reinhard Herdegen, Rudolf Zimmermann | 2002-11-19 |
| 6003231 | Compass with adjusting means | Christain Leibeck, Helmut Hufnagl | 1999-12-21 |
| 5655952 | System for honing camshaft cams | Ingo Schunn, Martin Wolters | 1997-08-12 |
| 5516325 | System for honing camshaft cams | Ingo Schunn, Martin Wolters | 1996-05-14 |
| 5316231 | Unwinding apparatus for wound rolls | Karl Thievessen | 1994-05-31 |
| 5288034 | System for joining webs of material | Herbert Schonmeier, Karl Thievessen, Ewald G. Welp, Runald Meyer, Manfred Weis +1 more | 1994-02-22 |
| 4938620 | Writing point or tracing element | Karl Kaiser | 1990-07-03 |
| 4927091 | Device for winding and unwinding a web of material | Knut Welkers | 1990-05-22 |
| 4681274 | Method and device for attaching a web of material rolling to the beginning of a wound fresh web | Karl Thievessen | 1987-07-21 |
| 4449926 | Dental electrosurgery electrodes and method of use | — | 1984-05-22 |
| 4386741 | Apparatus for the multiple unwinding of webs | Georg Schaffner | 1983-06-07 |
| 4359195 | Unwinding apparatus for rolls of material | Karl Thievessen, Herbert Schonmeier | 1982-11-16 |
| 4356983 | Device for braking winding cores | — | 1982-11-02 |
| 4339094 | Device for chucking tubular winding cores | Karl Thievessen, Knut Welkers | 1982-07-13 |
| 4239165 | Unwinding stand for a plurality of rolls of material | — | 1980-12-16 |
| 4211375 | Chuck for webs of material wound onto spools | Karl Thievessen | 1980-07-08 |
| 4196866 | Unwinding apparatus for rolls of sheet material | Georg Schaffner, Karl Thievessen | 1980-04-08 |
| 4181847 | Apparatus for synchronizing the speeds of two webs of goods | Gerhard Buschmann, Karl Thievessen, Werner Reitter | 1980-01-01 |