Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10183886 | Quartz glass tube as a semi-finished product for an optical component | Gerhard Schötz, Karsten Bräuer, Richard Schmidt, Peter Bauer, Clemens Schmitt +1 more | 2019-01-22 |
| 9487429 | Plasma deposition process for producing an optical preform with a cladding glass layer of fluorine-doped quartz glass | Karsten Bräuer, Richard Schmidt | 2016-11-08 |
| 9296639 | Method for producing an optical preform with a POD cladding glass layer | Gerhard Schoetz, Karsten Bräuer, Richard Schmidt, Peter Bauer, Paul Bödiger +1 more | 2016-03-29 |
| 6406552 | Method for cleaning SiO2 grain | — | 2002-06-18 |
| 5643069 | Drill for drilling brittle materials | Uwe Christiansen, Dagobert Knieling | 1997-07-01 |
| 4826521 | Method of manufacturing articles of extremely pure synthetic particulate silicon dioxide | Uwe Wiechmann | 1989-05-02 |