Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10366874 | Gas discharge lamp and spotlight system comprising gas discharge lamp | Carsten Klindt, Pavel Ptacek | 2019-07-30 |
| 9945989 | Process for producing a scattering layer for electromagnetic radiation and scattering layer for scattering electromagnetic radiation | Daniel Steffen Setz, Angela Eberhardt, Christina Wille | 2018-04-17 |
| 9478761 | Optoelectronic component having a UV-protecting substrate and method for producing the same | Daniel Steffen Setz, Angela Eberhardt, Christina Wille | 2016-10-25 |
| 5808411 | Fluorescence-suppressed quartz glass, and electric lamp with this quartz glass | Dieter Meiss, Ekkehard Messner | 1998-09-15 |
| 5589734 | Electric lamp having a fluorescence-suppressed quartz-glass envelope, and quartz glass therefor | Dieter Meiss, Ekkehard Messner | 1996-12-31 |
| 5572091 | Quartz glass with reduced ultraviolet radiation transmissivity, and electrical discharge lamp using such glass | Alfred Langer, Andreas Genz, Walter Keile, Bernd Lewandowski, J urgen Reichardt | 1996-11-05 |
| 5464462 | Method of making a quartz glass tube having a reduced ultraviolet radiation transmissivity | Alfred Langer, Andreas Genz, Walter Kiele, Bernd Lewandowski, Jurgen Reichardt | 1995-11-07 |
| 5336969 | Highly thermally loaded electric lamp with reduced UV light emission, and method of its manufacture | Werner Weiss | 1994-08-09 |
| 5180695 | Lead oxide-free glass, particularly for use in electric lamps | Werner Weiss, Manfred Mair, Ewald Poesl | 1993-01-19 |