| 12343838 |
Loading system for an optical machine, in particular for loading and unloading optical workpieces, such as eyeglass lenses, and deblocking apparatus comprising a loading system of this type |
Holger Schäfer, Martin Lautz, Gregor Pavel |
2025-07-01 |
| 12186853 |
Hydraulic arrangement for an apparatus for deblocking workpieces, in particular eyeglass lenses, from associated block pieces |
Holger Schäfer, Martin Lautz, Gregor Pavel |
2025-01-07 |
| 11426837 |
Tool spindle for a device for fine machining of optically active surfaces on workpieces |
Holger Schäfer, Michael Leitz |
2022-08-30 |
| 10625389 |
Device for blocking workpieces, particularly spectacle lenses, for the processing and/or coating thereof |
Alexandre Cormier, Holger Schäfer |
2020-04-21 |
| 10583540 |
Device for fine processing of optically effective surfaces on, in particular, eyeglass lenses |
Holger Schäfer, Peter Philipps, Andreas Kaufmann |
2020-03-10 |
| 10569387 |
Polishing disc for a tool for fine processing of optically effective surfaces on spectacle lenses |
Peter Philipps, Andreas Kaufmann, Holger Schäfer |
2020-02-25 |
| 9751131 |
Machine for processing optical workpieces, in particular plastic spectacle lenses |
Holger Schäfer, Marc Savoie |
2017-09-05 |
| 9321145 |
Device for fine machining of optically effective surfaces on in particular spectacle lenses and flexible production cell comprising such a device |
Holger Schäfer |
2016-04-26 |
| 9289877 |
Device for the fine machining of optically active surfaces on, in particular, spectacle lenses |
Holger Schäfer, Udo Fiedler |
2016-03-22 |
| 9278418 |
Device for supplying a liquid cooling lubricant to a cutting edge of a lathe tool |
Philipp Schmidt |
2016-03-08 |
| 9089948 |
Polishing tool for finishing optically effective surfaces on spectacle lenses in particular |
Holger Schäfer |
2015-07-28 |
| 8696410 |
Device for finish-machining of optically effective surfaces of, in particular, spectacle lenses |
Bernd Schüssler, Udo Fiedler, Holger Schäfer |
2014-04-15 |
| 8628071 |
Device for finish-machining of optically effective surfaces of workpieces, in particular spectacle lenses |
Udo Fiedler, Holger Schäfer |
2014-01-14 |
| 8616150 |
Device for blocking workpieces, particularly spectacle lenses, for the processing and/or coating thereof |
Marc Savoie, Holger Schäfer, Peter Jost, Jochen Wagner |
2013-12-31 |
| 7975356 |
Machine for the processing of optical work pieces, specifically of plastic spectacle lenses |
Holger Schäfer |
2011-07-12 |
| 7739778 |
High-performance cutting and turning machine and method for machining particularly spectacle lenses |
Udo Fiedler, Manfred Hanisch, Karl-Heinz Tross, Holger Schaefer |
2010-06-22 |
| 7308745 |
Method and device for edge-machining of a plastic optical lens and a combination tool therefor |
Jochen Diehl |
2007-12-18 |
| 6712671 |
Device for edge-machining of optical lenses |
Holger Schäfer |
2004-03-30 |
| 6641466 |
Apparatus for securing and clamping optical lenses requiring edge-machining, in particular spectacle lenses |
Holger Schäfer |
2003-11-04 |