Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11602816 | Method for cutting refractory metals | Egbert Stiedl, Bernd Spaniol, Norbert Traeger, Werner Feuring | 2023-03-14 |
| 6525475 | SiO2-glass bulb with at least one current lead-in, process for producing a gas-tight connection between them, and their use in a gas-discharge lamp | David Francis Lupton, Jorg Schielke, Holger Zingg | 2003-02-25 |
| 6384533 | Metal component and discharge lamp | Thomas Giesel, David Francis Lupton, Frank Krüger | 2002-05-07 |
| 6039920 | Process for making rhenium-containing alloys | Michael Koch, Wulf Kock, David Francis Lupton | 2000-03-21 |
| 6030507 | Process for making a crystalline solid-solution powder with low electrical resistance | David Francis Lupton, Jorg Schielke, Marek Gorywoda, Bernard Serole | 2000-02-29 |
| 5762768 | Target for cathodic sputtering and method for producing the target | Karl-Heinz Goy, David Francis Lupton, Jorg Schielke, Bernard Serole, Hans Bohmeier | 1998-06-09 |
| 5700418 | Method of manufacture of components made of sintered indium-tin-oxide solid-solution crystals | Michael Hormann, David Francis Lupton, Jorg Schielke | 1997-12-23 |
| 5232891 | Process for the manufacture of a gauze for a catalytic converter and a gauze for a catalytic converter manufactured according thereto | Michael Hormann, Stefan Kotowski, David Francis Lupton, Werner Reiss, Bruno Streb +1 more | 1993-08-03 |