Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8864324 | Substrate with lightweight structure | Volker Seibert, Martin Schaefer, Thomas Westerhoff, Ralf Jedamzik | 2014-10-21 |
| 8069689 | Process and device for producing fire-polished gobs | Klaus Schneider, Peter Durolf, Christian Schenk, Bernd Loffelbein | 2011-12-06 |
| 6581652 | Melting tank with a closable batch loading channel | Benno Riffel, Johann Faderl, Klaus Megges | 2003-06-24 |
| 6470040 | Energy supply device of a melting tank | Hans-Jurgen Leidecker | 2002-10-22 |