Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11872188 | Method for manufacturing a glass tube semi-finished product or a hollow glass product made therefrom with markings, and uses of the same | André Witzmann, Ulla Trinks | 2024-01-16 |
| 11542195 | Method for manufacturing a hollow glass product from a glass tube semi-finished product having markings, and uses of the same | André Witzmann, Ulla Trinks | 2023-01-03 |
| 9919950 | Low-boron zirconium-free neutral glass having an optimized alkali metal ratio | Christof Kass, Stephan Tratzky, Rainer Eichholz | 2018-03-20 |
| 5433486 | Pipe connection for flue-gas pipes | Herbert Jung | 1995-07-18 |
| 5300134 | Device and process for deformation of the heat-softened end of a glass tube | Alfons Wolfrum, Franz Neumeier | 1994-04-05 |
| 5252115 | Device and forming finger for forming a mouth area on a glass vial | Alfons Wolfrum, Franz Neumeier | 1993-10-12 |
| 5178401 | Rotatable chuck for glass tubes | Alfons Wolfrum, Franz Neumeier | 1993-01-12 |
| 5105957 | Heat-sealable glass container | — | 1992-04-21 |
| 5080705 | Method and apparatus for manufacturing profiled glass tubing | Franz Ott | 1992-01-14 |
| 5057136 | Method and apparatus for manufacturing profiled glass tubing | Franz Ott | 1991-10-15 |
| 4981505 | Apparatus for heat-sealing a glass container | — | 1991-01-01 |
| 4898605 | Glass vessel in particular, an ampoule and a method for treating the glass vessel | — | 1990-02-06 |
| 4516998 | Method of making tubular vials and ampules | Hans-Georg Ritt, Hartmut Luneberg, Alfred Grillmeier | 1985-05-14 |