Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7211683 | Process for preparing organosilanes | Ulrich Goetze, Michael Hansel, Edgar Schmidt | 2007-05-01 |
| 5047492 | Organooligosilsesquioxanes | Richard Weidner, Bernward Deubzer, Volker Frey | 1991-09-10 |
| 5015605 | Process for preparing highly porous glass-ceramic molded parts | Volker Frey, Bernd Pachaly | 1991-05-14 |
| 4952658 | Process for preparing organopolysilanes | Wilfried Kalchauer, Bernd Pachaly | 1990-08-28 |
| 4879142 | Process for preparing a silicon carbide protective coating | Volker Fey, Bernd Pachaly | 1989-11-07 |
| 4833220 | Process for preparing moldings based on silicon oxycarbide | Volker Frey, Bernd Pachaly | 1989-05-23 |
| 4824651 | Process for preparing silicon carbide fibers | Volker Frey, Bernd Pachaly | 1989-04-25 |
| 4667046 | Method for preparing organopolysilanes and their uses | Volker Frey, Bernd Pachaly | 1987-05-19 |
| 4581510 | Drive for a high-tension circuit breaker | Walter Bischofberger, Horst Plettner, Kristof Zakowski | 1986-04-08 |
| 4454331 | Process for preparing tetrafluoroethyloxyalkyl silanes | Rudolf Riedle, Tassilo Lindner, Wolfgang Wagner | 1984-06-12 |
| 4400528 | Process for methylating silicon compounds | Reinhold Artes, Volker Frey, Werner Graf | 1983-08-23 |
| 4343972 | Hydraulic drive for electrical switches | Walter Bischofberger | 1982-08-10 |
| 4298753 | Continuous process for preparing silanes and siloxanes having SiOC groups | Anton Schinabeck, Tassilo Lindner, Georg Engelsberger, Rudolf Riedle | 1981-11-03 |
| 4292434 | Process for the addition of Si-bonded hydrogen to an aliphatic multiple bond | Tassilo Lindner, Georg Engelsberger, Rudolf Riedle | 1981-09-29 |
| 4276426 | Process for the preparation of organosilicon compounds | Tassilo Lindner, Volker Frey, Rudolf Riedle, Peter John, Georg Engelsberger | 1981-06-30 |
| 4275392 | Method and apparatus for monitoring the gas volume of a hydropneumatic storage unit | Walter Bischofberger | 1981-06-23 |
| 4209454 | Preparation of hydrocarbonoxy containing polysiloxanes | Werner Graf, Volker Frey, Peter John | 1980-06-24 |