Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316050 | Method of producing hydrophobic pyrogenically produced oxides | Harald Troll, Thomas Hennig, Uwe Schachtely, Henning Karbe | 2001-11-13 |
| 6269623 | Open-end rotor spinning arrangement | Tek Tjin Phoa | 2001-08-07 |
| 6244752 | Single-piece optical fibre coupling | Martin Besler, Guntram May | 2001-06-12 |
| 6022404 | Surface-modified, pyrogenically produced mixed oxides, method of their production and use | Manfred Ettlinger, Werner Hartmann, Dieter Kerner | 2000-02-08 |
| 5785559 | Connector assembly with coded secondary locking mechanism | Hans-Joachim Zander, Dirk Duenkel, Franz-Josef Thiel | 1998-07-28 |
| 5711797 | Silanized silicic acids | Manfred Ettlinger, Dieter Kerner | 1998-01-27 |
| 5665156 | Silanized silicon acids | Manfred Ettlinger, Dieter Kerner | 1997-09-09 |
| 5429873 | Surface-modified silicon dioxides | Hans Deusser, Thomas Gobel, Michael Gunther, Andreas Stubbe | 1995-07-04 |
| 5419928 | Surface-modified pyrogenically produced aluminum oxide | Hans Deusser, Dieter Kerner, Gunther Michael, Andreas Stubbe | 1995-05-30 |
| 5415936 | Surface-modified pyrogenically produced titanium dioxide | Hans Deusser, Dieter Kerner, Gunther Michael, Andreas Stubbe | 1995-05-16 |
| 5384194 | Surface-modified pyrogenically produced aluminum oxide | Hans Deusser, Dieter Kerner, Gunther Michael, Andreas Stubbe | 1995-01-24 |
| 5372905 | Surface-modified pyrogenically produced titanium dioxide | Hans Deusser, Dieter Kerner, Gunther Michael, Andreas Stubbe | 1994-12-13 |