Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7716952 | Method for the production of a blank mold for optical fibers | Gerhard Schötz, Karsten Bräuer, Heinz Fabian | 2010-05-18 |
| 7089765 | Method of making a jacketed preform for optical fibers using OVD | Hartwig Schaper, Oliver Humbach, Uwe Haken, Donald Jablonowski | 2006-08-15 |
| 5429653 | Method of partially introverting a multiple layer tube to form an optical fiber preform | Helmut Leber, Hartwig Schaper, Gerhart Vilsmeier, Klaus Reimann | 1995-07-04 |
| 4437727 | Quartz glass envelope tube | — | 1984-03-20 |
| RE30883 | Method of producing synthetic quartz glass | Karlheinz Rau, Fritz Simmat, Albert Muhlich | 1982-03-16 |
| 4235615 | Method for the production of semiproduct for the production of light conducting fibers | Karlheinz Rau, Albert Muhlich, Fritz Simmat | 1980-11-25 |