Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739019 | High-strength welding process for making heavy glass preforms with large cross sectional areas | Kenneth Robert Koch, Tim Alan Pontsler | 2023-08-29 |
| 11535547 | Heating burner for producing an integral bond between components of quartz glass | — | 2022-12-27 |
| 10947146 | Method for producing an integral bond between components of quartz glass and heating burner suited therefor | — | 2021-03-16 |
| 10590022 | Formation of elongated glass components with low bow using a gripper device | Georges Levon FATTAL, James E. Beavers, Jr., Kai Huei Chang | 2020-03-17 |
| 10322962 | Method for producing a substrate tube of quartz glass | Harald Hain | 2019-06-18 |
| 9221712 | Process for producing a cylindrical component made of glass by elongation | Thomas R. Bernard, Harald Hain, Thomas Bogdahn | 2015-12-29 |
| 9212082 | System and method for fabricating optical fiber preform and optical fiber | Georges Levon FATTAL, Kai Huei Chang | 2015-12-15 |
| 8584491 | Drawing method for producing cylindrical-shaped components from quartz glass | Thomas Bogdahn, Harald Hain, Ralph Sattmann | 2013-11-19 |
| 7891213 | Vertical drawing method for producing a cylindrical glass body and device for carrying out said method | Thomas Bogdahn, Harald Hain, Eric Emmert | 2011-02-22 |
| 7797965 | Method for producing tubes of quartz glass | Norbert Cibis | 2010-09-21 |
| 7681416 | Method for production of an optical component made from quartz glass | Rene Sowa, Peter Bauer, Norbert Cibis, Ralph Sattmann, Jan Vydra +1 more | 2010-03-23 |
| 7600399 | Method and device for producing a cylindrical glass body | Thomas Bogdahn | 2009-10-13 |
| 7006552 | Resistance furnace with tubular heating element | Thomas Bogdahn | 2006-02-28 |
| 6516636 | Method for producing a tube made of quartz glass using low internal pressure and control of diameters | Frank Gänsicke, Harald Hain, Thomas Bogdahn, Oliver Humbach | 2003-02-11 |