Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291268 | Line duct with a series of layers | Ralf Kurz, Martin Heck | 2016-03-22 |
| 8621796 | Conduit duct with sequence of layers | Senol Egritepe, Martin Heck | 2014-01-07 |
| 6976896 | Method for producing a flat gas discharge lamp | Angela Eberhardt, Michael Ilmer | 2005-12-20 |
| 6972519 | Image display device comprising a plurality of silent gas discharge lamps | Udo Custodis | 2005-12-06 |
| 6901772 | Method for producing a gas discharge lamp | Angela Eberhardt, Michael Ilmer | 2005-06-07 |
| 6879108 | Dielectrically impeded discharge lamp with a spacer | Michael Ilmer, Angela Eberhardt | 2005-04-12 |
| 6873722 | Method of qualitatively ascertaining the position and degree of severity of chatter marks in a fine-machined surface of a workpiece | Tobias Hercke, Norbert Rau | 2005-03-29 |
| 6734841 | Color display having sequential primary color generation | Udo Custodis, Reinhard Lecheler | 2004-05-11 |
| 6679617 | Flat illumination device | Udo Custodis, Angela Eberhardt, Michael Ilmer | 2004-01-20 |
| 6659828 | Flat discharge lamp and method for the production thereof | Michael Ilmer, Angela Eberhardt | 2003-12-09 |
| 6630769 | Flat illumination device with mirror surface | Udo Custodis | 2003-10-07 |
| 6609940 | Method for inserting a pumping rod in a discharge chamber | Michael Ilmer, Angela Eberhardt, Hermann Speer | 2003-08-26 |
| 6605892 | Gas discharge lamp and method for the production thereof | Michael Ilmer, Angela Eberhardt | 2003-08-12 |
| 6566810 | Discharge lamp with dielectrically inhibited electrodes | Michael Ilmer, Angela Eberhardt | 2003-05-20 |
| 6469435 | Discharge lamp with dielectrically impeded electrodes | Michael Ilmer, Angela Eberhardt | 2002-10-22 |
| 6340862 | Fluorescent lamp with luminescent material layer thickness according to the geometrical discharge distribution | Reinhard Lecheler, Hermann Schweizer | 2002-01-22 |
| 6106364 | Process for torque free outer circumference grinding of a cylindrical journal | Volker Kruppke, Norbert Rau | 2000-08-22 |
| 6067720 | Method for determining a torsional structure in the surface roughness of a finished shaft journal | Robert Heilbronner, Norbert Rau | 2000-05-30 |
| 5002640 | Process for the production of nitrides suitable for ceramic materials | Christian Rüssel | 1991-03-26 |