Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8613207 | Method and apparatus for producing a quartz glass cylinder | Rainer Berg, Nigel Whippey | 2013-12-24 |
| 7955715 | Method for coating a component for use in a crucible drawing method for quartz glass, and coated component obtained according to the method | Martin Trommer, Rainer Berg, Nigel Whippey, Joerg Becker | 2011-06-07 |
| 6684664 | Process for manufacture of a component made of opaque synthetic quartz glass | Waltraud Werdecker, Udo Gertig, Johann Leist | 2004-02-03 |
| 6216492 | Methods and apparatus for providing quartz glass connectors | Poul E. Breidenbach, Heinz Herzog, Jurgen Pottker | 2001-04-17 |
| 5904182 | Methods and apparatus for providing quartz glass connectors | Poul E. Breidenbach, Heinz Herzog, Jurgen Pottker | 1999-05-18 |
| 5562774 | Coated quartz glass component | Poul E. Breidenbach, Dietmar Hellmann | 1996-10-08 |
| 5429653 | Method of partially introverting a multiple layer tube to form an optical fiber preform | Hartwig Schaper, Norbert Treber, Gerhart Vilsmeier, Klaus Reimann | 1995-07-04 |
| 5364432 | Method for producing a composite glass body with drawing of concentric melts | — | 1994-11-15 |
| 5171343 | Method for the tool-free reshapingof a tubular body | Klaus Reimann | 1992-12-15 |
| 4956059 | Process for the purification of granular silicon dioxide | Wolfgang Englisch, Klaus Reimann, Fritz Simmat | 1990-09-11 |
| 4923497 | Method for the continuous production of a tube or rod of vitreous fused silica | Nigel Whippey | 1990-05-08 |