Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10641426 | Sealing inner sleeve having a deformable intermediate section | Joachim Graf | 2020-05-05 |
| 9574695 | Inner seal collar with improved locking mechanism | Joachim Graf | 2017-02-21 |
| 8435064 | Mounting for a DC-AC converter and method for fitting a DC-AC converter | Walter Stockinger, Markus Lebelhuber | 2013-05-07 |
| D634455 | Compact fluorescent lamp | Thomas Noll | 2011-03-15 |
| 7745999 | Lamp which is closed on two sides | Andreas Hohlfeld, Michael Hulsemann, Anton Schogl, Karen Twesten | 2010-06-29 |
| 7612503 | Electric lamp having an outer bulb | Thomas Bittmann, Thomas Deutscher, Richard Semba, Marcel Vuc | 2009-11-03 |
| D600371 | Discharge lamp | Andreas Genz, Leon Grabinski | 2009-09-15 |
| 7514873 | Electric lamp having an outer bulb | Andreas Genz, Leon Grabinski | 2009-04-07 |
| 7439662 | Lamp with single-sided socket | Joachim Arndt, Uwe Fidler, Markus Herb, Anton Schlögl, Jurgen Waldmann +1 more | 2008-10-21 |
| 7382092 | Electric lamp which is closed at one end | — | 2008-06-03 |
| 7358673 | Electric lamp which is closed on two sides | Lambert Frye, Karl Röder, Bernhard Ulbrich | 2008-04-15 |
| 7288894 | Electric lamp | — | 2007-10-30 |
| 7253562 | Lamp which is closed on two sides | Andreas Hohlfeld, Michael Hulsemann, Anton Schlögl, Karen Twesten | 2007-08-07 |
| 7221098 | Electric lamp with outer bulb and associated support body | Andreas Hohlfeld, Michael Hulsemann, Anton Schlögl, Karen Twesten | 2007-05-22 |
| 7112116 | Process for producing an electric lamp with outer bulb | Andreas Hohlfeld, Michael Hulsemann, Anton Schlögl, Karen Twesten | 2006-09-26 |
| 7082909 | Free-piston device with electric linear drive | Markus Graf, Martin Nedele | 2006-08-01 |
| 6178281 | Method for the manufacture of optical components, and optical component | Helmut Sautter, Jörg Blechschmidt, Rainer Schink, Peter E. Loeffler | 2001-01-23 |
| 5465758 | Apparatus for sealing leakage points in pipes from the inside of the pipe, and a method of sealing the leakage points | Eckhard Graf, Hubert Mauz | 1995-11-14 |