Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8966989 | Capacitive ceramic pressure measuring cell and pressure sensor with such a pressure measuring cell | Ulfert Drewes, Thomas Uehlin, Elke Schmidt | 2015-03-03 |
| 8959048 | Index for set emptiness in temporal databases | Ingo Walther | 2015-02-17 |
| 8176791 | Elastic ceramic body and pressure sensor with an elastic ceramic body | Frank Hegner | 2012-05-15 |
| 8104353 | Capacitive pressure sensor | Ulfert Drewes, Frank Hegner, Elke Schmidt, Sabine Stolle, Christel Kretschmar +1 more | 2012-01-31 |
| 7181974 | Moisture-protected pressure sensor | Frank Hegner, Thomas Uehlin | 2007-02-27 |
| 6941814 | Hydrophobically coated pressure sensor | Frank Hegner, Ulfert Drewes, Elke Schmidt | 2005-09-13 |
| 6925884 | Capacitive differential pressure sensor | Frank Hegner, Ulfert Drewes, Elke Schmidt | 2005-08-09 |
| 6675654 | Pressure sensing device with moisture filter | Frank Hegner, Elke Schmidt, Ulfert Drewes, Michael Kirst, Bernhard Walter | 2004-01-13 |
| 6595064 | Capacitive pressure sensor | Ulfert Drewes, Frank Hegner, Elke Schmidt, Jurgen Breme, Thomas Velten | 2003-07-22 |
| 6422085 | Flush-diaphragm relative pressure sensor | Frank Hegner, Ulfert Drewes, Elke Schmidt | 2002-07-23 |
| 6374680 | Capacitive pressure sensor or capacitive differential pressure sensor | Ulfert Drewes, Elke Schmidt, Frank Hegner, Thomas Velten | 2002-04-23 |
| 6267009 | Capacitive pressure sensor cells or differential pressure sensor cells and methods for manufacturing the same | Ulfert Drewes, Elke Schmidt, Frank Hegner, Thomas Velten | 2001-07-31 |
| 5954900 | Process for joining alumina ceramic bodies | Frank Hegner, Elke Schmidt, Bärbel Voigtsberger, Ingolf Voigt, Henry Ludwig | 1999-09-21 |