Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9589783 | Method for improving the wettability of a rotating electrode in a gas discharge lamp | Ralf Pruemmer | 2017-03-07 |
| 9414476 | Method and device for generating optical radiation by means of electrically operated pulsed discharges | Ralf Pruemmer, Ralf Conrads, Felix Kuepper, Jeroen Jonkers | 2016-08-09 |
| 9290621 | Composition for anionic lactam polymerization | Jan Klitschke | 2016-03-22 |
| 7734014 | Extreme UV and soft X ray generator | Willi Neff | 2010-06-08 |
| 7397190 | Gas discharge lamp for extreme UV radiation | Guenther Hans Derra, Joseph Pankert, Willi Neff, Jeroen Jonkers | 2008-07-08 |
| 7323701 | Gas discharge lamp | Dominik Marcel Vaudrevange | 2008-01-29 |
| 7126143 | Method and device for producing extreme ultraviolet radiation and soft x-ray radiation | Jurgen Klein, Willi Neff, Stefan Seiwart, Joseph Pankert, Michael R. Loken | 2006-10-24 |
| 6967341 | Method and device for the generation of far ultraviolet or soft x-ray radiation | Willi Neff, Oliver Rosier, Joseph Pankert | 2005-11-22 |
| 6953055 | Pneumatic gate valve with an injection-molded valve housing | Erwin Kulmann | 2005-10-11 |
| 6788763 | Device for producing an extreme ultraviolet and soft x radiation from a gaseous discharge | Willi Neff, Rainer Lebert, Oliver Rosier | 2004-09-07 |
| 6389106 | Method and device for producing extreme ultraviolet and soft X-rays from a gaseous discharge | Willi Neff, Rainer Lebert, Guido Schriever | 2002-05-14 |
| 5834157 | 2-acylamino-9-arylacridines, process for their preparation and photosensitive mixtures containing them | Siegfried Scheler, Gerhard Buhr | 1998-11-10 |
| 5672957 | Method and device for reducing voltage imbalances in a three-phase network by means of a static compensator | — | 1997-09-30 |
| 5641051 | Process and device for transferring workpiece | — | 1997-06-24 |
| 5516215 | Roller-bearing cage | — | 1996-05-14 |
| 5413899 | Light-sensitive mixture containing an 0-naphthoquinonediazide-sulfonic acid ester and recording material produced therewith wherein the 0-naphthoquinone diazides are partial esters | Siegfried Scheler, Andreas Elsaesser, Gerhard Buhr, Wolfgang Zahn | 1995-05-09 |
| 5192640 | Process for preparing 7-hydroxy-1,2-naphthoquinone-2-diazide-4-sulfonic acid or salts thereof | Siegfried Scheler, Gerhard Buhr | 1993-03-09 |
| 5114816 | Radiation-sensitive compounds, radiation-sensitive mixture prepared therewith and copying material | Siegfried Scheler, Gerhard Buhr, Helmut Lenz, Herbert Siegel | 1992-05-19 |
| 5077395 | Substituted 1,2-naphthoquinone-2-diazide-4-sulfonic acids and processes for their preparation and use | Siegfried Scheler, Gerhard Buhr | 1991-12-31 |
| 4242144 | Bituminous mixed composition and filler for same containing non-hygroscopic crystal water-containing substances | Friedrich Schmitz, Gottfried Kilian, Heinz Reppel | 1980-12-30 |