Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9676062 | Process for producing a line of weakness in a cover element through removal of material | Walter Lutze, Martin Griebel | 2017-06-13 |
| 9085048 | Apparatus and method for generating separating fissures in a substrate | Sebastian Nawrodt, Ronny Ullmann, Karsten Heinig, Christian Matthies | 2015-07-21 |
| 7812281 | Method for generating optically perceptible laser-induced cracks in brittle material | Stefan Acker, Ronny Ullmann | 2010-10-12 |
| 7223936 | Arrangement for severing a flat workpiece of brittle material multiple times by means of a laser | Stefan Acker, Ronny Ullmann | 2007-05-29 |
| 7102118 | Beam formation unit comprising two axicon lenses, and device comprising one such beam formation unit for introducing radiation energy into a workpiece consisting of a weakly-absorbent material | Stefan Acker, Gisbert Staupendahl | 2006-09-05 |
| 6841034 | Device for welding thermoplastic plastic parts forming a hollow body by means of laser radiation | Hans-Ulrich Zuehlke, Gabriele Eberhardt, Norbert Preuss, Martin Griebel | 2005-01-11 |