Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7813497 | Echo canceller with interference-level controlled step size | — | 2010-10-12 |
| 7535859 | Voice activity detection with adaptive noise floor tracking | — | 2009-05-19 |
| 6846965 | Method for the oligomerization of C2 C8-olefins | Ralf Schulz, Marc Walter, Hans-Peter Neumann | 2005-01-25 |
| 6737555 | Method for oligomerizing C6-olefins | Heiko Maas, Peter Schwab, Ralf Schulz, Marc Walter | 2004-05-18 |
| 6362386 | Method and device for obtaining isobutenes from conjugated hydrocarbons | Bernd Bessling, Jean Werner Knab, Bernd Lohe | 2002-03-26 |
| 5854814 | Digital transmission system with improved decoder in the receiver | Rudolf Hofmann | 1998-12-29 |
| 5455325 | Optically active phenoxypropionic esters | Volker Bach, Karl-Heinz Etzbach, Axel Paul, Karl Siemensmeyer | 1995-10-03 |
| 5350873 | Optically active phenoxypropionic esters | Volker Bach, Karl-Heinz Etzbach, Axel Paul, Karl Siemensmeyer | 1994-09-27 |
| 5212027 | Monomers and their use for the production of a laser-optical recording element which can be repeatedly erased and recorded on | Karl-Heinz Etzbach, Gerhard Wagenblast, Axel Paul, Volker Bach | 1993-05-18 |
| 5204362 | Fungicidal azolylethane derivatives | Rainer Seele, Norbert Goetz, Reiner Kober, Eberhard Ammermann, Gisela Lorenz | 1993-04-20 |
| 5187248 | Monomers and their use for the production of a laser-optical recording element which can be repeatedly erased and recorded on | Karl-Heinz Etzbach, Gerhard Wagenblast, Axel Paul, Volker Bach | 1993-02-16 |
| 5187298 | Monomers and their use for the production of a laser-optical recording element which can be repeatedly erased and recorded on | Kark-Heinz Etzbach, Gerhard Wagenblast, Axel Paul, Volker Bach | 1993-02-16 |
| 5103060 | Compounds which are ethylenically unsaturated in the terminal position, and the use thereof in nonlinear optics | Dirk Funhoff, Ulrike Licht, Harald Fuchs, Wolfgang Schrepp | 1992-04-07 |
| 4998241 | Echo canceller | Peter Vary | 1991-03-05 |