Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12076723 | Glass container comprising a glass bottom with improved properties | Alexander Humbertjean, Tobias Wetzel, Robert Frost, Jens Ulrich Thomas, Frank-Thomas Lentes +3 more | 2024-09-03 |
| 11980886 | Bottom forming process | Robert Frost, Doris Moseler, Roman Huhn | 2024-05-14 |
| 11806716 | Glass container comprising a glass bottom with improved properties | Robert Frost, Doris Moseler, Roman Huhn, Jens Ulrich Thomas, Alexander Humbertjean +2 more | 2023-11-07 |
| 11215812 | Optical converter wheel | Volker Hagemann, Albrecht Seidl, Sylvia Biedenbender | 2022-01-04 |
| 10358371 | Apparatus and method for producing glass products from a glass melt while avoiding bubble formation | Klaus-Dieter Duch, Olaf Claussen, Thomas Pfeiffer, Reinhard Wurm | 2019-07-23 |
| 8869561 | Method and a device for the refining of glass | Erich Rodek, Wolfgang Schmid-Bauer, Hilgegard Römer, Werner Kiefer | 2014-10-28 |
| 7694533 | Method for the refining of glass | Erich Rodek, Wolfgang Schmid-Bauer, Hilgegard Römer, Werner Kiefer | 2010-04-13 |
| 7530238 | Heating apparatus with electrode for the conductive heating of melts | Rainer Eichholz, Guido Raeke, Volker Ohmstede, Frank-Thomas Lentes, Thomas Stelle +5 more | 2009-05-12 |
| 6848275 | Method for melting or refining glasses or glass ceramics | Uwe Kolberg, Hildegard Römer, Frank-Thomas Lentes | 2005-02-01 |
| 5324361 | Apparatus for coating cap-shaped substrates | Heinz-Werner Etzkorn, Harald Krummel, Volker Paquet | 1994-06-28 |
| 5300901 | Arrangement for coupling in of microwave energy | Harald Krummel, Ewald Morsen, Helge Vogt | 1994-04-05 |
| 5236511 | Plasma CVD process for coating a dome-shaped substrate | Heinz-Werner Etzkorn, Harald Krummel, Volker Paquet | 1993-08-17 |
| 5154943 | Plasma CVD process for coating a dome-shaped substrate | Heinz-Werner Etzkorn, Harald Krummel, Volker Paquet | 1992-10-13 |
| 4385442 | Portable power chain saw | Karl Nitschmann | 1983-05-31 |