Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7446463 | Solder-free contact-making of dielectrically impeded discharge lamps | Jorg Otterstatter | 2008-11-04 |
| 7334916 | Illumination device | Martin Zachau | 2008-02-26 |
| 7291979 | Dielectric barrier discharge lamp having divided electrodes | — | 2007-11-06 |
| 7025472 | Coupling element for elongate lamps and illumination system having this coupling element | Jorg Rink | 2006-04-11 |
| 6984930 | Discharge lamp with ignition aid of a UV/VIS material having high secondary electron emission coefficient | — | 2006-01-10 |
| 6960874 | Tubular discharge lamp with ignition aid | — | 2005-11-01 |
| 6924599 | Dielectric barrier discharge lamp with starting aid | Wolfgang Kumpf, Joseph A. Olsen | 2005-08-02 |
| 6777878 | Dielectric barrier discharge lamp having an ignition means | Werner Berlinghof, Wolfgang Kumpf, Gerwin Thiel | 2004-08-17 |
| 6605899 | Dielectric barrier discharge lamp | Werner Berlinghof, Rolf Bauerle | 2003-08-12 |
| 6271743 | Winding arrangement of a coil | Walter Muller, Erwin Hager | 2001-08-07 |
| 6046520 | Liquid cooled generator | Jochen Betsch, Roland Doll | 2000-04-04 |
| 5764122 | Winding arrangement of a coil | Walter Muller, Helga Luise Friederike Doll, heir, Rudiger Doll, Achim Vitus Doll, heir, Erwin Hager | 1998-06-09 |
| 5601057 | Valve actuating system for a multicylinder internal combustion engine | Willy Treyz, Markus Dusmann, Christoph Reckzugel | 1997-02-11 |
| 5476075 | Hollow rocker-arm shaft for internal combustion engines | Helmut Seitz, Volker Keck, Walter Burbock, Peter Linden | 1995-12-19 |
| 5456226 | Method of minimizing play in a valve operating mechanism | — | 1995-10-10 |
| 5351661 | Multi-cylinder internal combustion engine valve actuator | — | 1994-10-04 |
| 5339778 | Cylinder-head-mounted camshaft bearing for an internal combustion engine | Christoph Reckzugel, Mario Murwald, Jürgen Frey, Ralf Ohlendorf | 1994-08-23 |
| 5297505 | Internal combustion engine valve actuator | Jürgen Frey | 1994-03-29 |
| 5297506 | Valve operating system for an internal combustion engine | Christoph Reckzugel, Mario Murwald, Ralf Ohlendorf | 1994-03-29 |
| 4903650 | Apparatus for relative angular adjustment between two shafts in drive connection | Rolf Ohlendorf, Willy Treyz, Wolfgang Speier | 1990-02-27 |