Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8484997 | Method for producing a cylinder of quartz glass using a holding device and appropriate holding device for performing the method | Frank Hoff, Michael Muschler, Udo Peper, Sven Schmidt, Steffen Zwarg | 2013-07-16 |
| 6321573 | Process and apparatus for manufacturing a porous SiO2 preform | Udo Peper, Frank Neubauer, Hartwig Schaper, Jurgen Roper | 2001-11-27 |