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Glass tube |
André Witzmann, Thomas Lenz |
2025-03-04 |
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Inlay, sleeve shaft with inlay and refractory tube with sleeve shaft |
— |
2024-07-23 |
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Glass tube element with improved quality |
André Witzmann |
2024-07-23 |
| 11845686 |
Apparatus for forming glass tubes, a heating chamber and a process for the manufacture of an apparatus for forming glass tubes |
Markus Ollig, Arne Riecke, Rainer Eichholz, Ulrich Lange, Sebastian Stark +4 more |
2023-12-19 |
| 11820692 |
Inlay, sleeve shaft with inlay and refractory tube with sleeve shaft |
— |
2023-11-21 |
| 11673823 |
Glass tube element with improved quality |
André Witzmann |
2023-06-13 |
| 11614181 |
Glass tube element with improved quality |
André Witzmann |
2023-03-28 |
| 11613489 |
Glass tube element with improved quality |
André Witzmann |
2023-03-28 |
| 10875805 |
Apparatus and method for cooling a glass strand produced by means of tube drawing |
Franz Ott |
2020-12-29 |
| 10227252 |
Method and apparatus for producing a tube partially having a non-circular cross section and having circular end portions and use thereof |
Nikolaus Schultz, Nikolaos Katsikis, Reinhard Maennl |
2019-03-12 |