Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8431500 | Lead-containing space glass, its production and its use | Silke Wolff, Thorsten Doehring | 2013-04-30 |
| 8431501 | Lead-containing space glass, its production and use | Silke Wolff, Thorsten Doehring | 2013-04-30 |
| 7367865 | Methods for making wafers with low-defect surfaces, wafers obtained thereby and electronic components made from the wafers | Peter Blaum, Ingo Koehler, Bernd Ruediger, Wolfram Beier | 2008-05-06 |
| 7255740 | Method of growing hexagonal single crystals and use of same as substrates for semiconductor elements | Dirk Sprenger, Markus Schweizer | 2007-08-14 |
| 6932864 | Method and apparatus for measuring the position of a phase interface during crystal growth | Lutz Parthier, Frank-Thomas Lentes, Gunther Wehrhan, Hans-Joerg Axmann | 2005-08-23 |
| 6899954 | Cadmium-free optical steep edge filters | Uwe Kolberg, Helge Vogt, Simone Monika Ritter, Hans-Werner Schock, Christine Köble +1 more | 2005-05-31 |
| 6740159 | Method of making a fracture-resistant calcium fluoride single crystal and its use | Joerg Kandler, Ewald Moersen, Harry J. Bauer, Thure Boehm, Eric Eva +4 more | 2004-05-25 |
| 6603547 | Method for determination of the radiation stability of crystals | Ewald Moersen, Lorenz Strenge, Joerg Kandler | 2003-08-05 |
| 6364946 | Methods for growing large-volume single crystals from calcium fluoride and their uses | Joerg Staeblein, Andreas Weisleder, Gunther Wehrhan, Lutz Parthier | 2002-04-02 |
| 6303528 | Glass for rigid disk substrates | Gerhard Westenberger | 2001-10-16 |
| 6217971 | Magnetic disk comprising a substrate | Silke Wolff, Peter Brix | 2001-04-17 |
| 6184162 | Glasses and glass-ceramics with high E-moduli | Silke Wolff, Peter Brix, Monika Gierke | 2001-02-06 |
| 6162751 | Glass for rigid disk substrates | Gerhard Westenberger | 2000-12-19 |
| 5895768 | Chemically prestressable aluminosilicate glass and products made therefrom | — | 1999-04-20 |
| 5846280 | Process for production of chemically prestressed glass | — | 1998-12-08 |
| 5173212 | Aluminophosphate glass containing copper(II) oxide | Ansgar Karnehm, Magdalena Winkler-Trudewig | 1992-12-22 |
| 5073524 | Radiation-shielding glasses providing safety against electrical discharge and being resistant to discoloration | — | 1991-12-17 |
| 4980319 | Solarization-stable ultraviolet filter glasses for the 280-500 nm transmission range | — | 1990-12-25 |
| 4906597 | Solarization-stable ultraviolet filter glasses for the 280 - 500 nm transmission range | — | 1990-03-06 |
| 4820326 | Method for producing solarization-stable ultraviolet filter glasses for the 280-500 nm transmission range | — | 1989-04-11 |
| 4721690 | High PbO-content glasses in the system SiO.sub.2 --PbO--M.sub.2 O with increased chemical stability | Ludwig Ross, Danuta Grabowski, Volkmar Geiler | 1988-01-26 |
| 4719186 | Optical and ophthalmic glass with refractive indices greater than or equal to 1.56, Abbe numbers greater than or equal to 40 and densities less than or equal to 2.70 g/cm.sup.3 | Karl Mennemann, Georg Gliemeroth, Ludwig Ross, Volkmar Geiler, Hans-Georg Krolla +1 more | 1988-01-12 |
| 4686196 | Phototropic glass with a refractive index greater than or equal to 1.59, an abbe number greater than or equal to 44 and a density less than or equal to 3.0 g/cm.sup.3 | Georg Gliemeroth, Ludwig Ross, Uwe Eichhorn, Eva Hoelzel | 1987-08-11 |
| 4566987 | Scintillation glass | Georg Gliemeroth, Hans-Georg Krolla | 1986-01-28 |
| 4562161 | Optical and ophthalmic glass with refractive indices greater than or equal to 1.56, Abbe numbers greater than or equal to 40 and densities less than or equal to 2.70 g/cm.sup.3 | Karl Mennemann, Georg Gliemeroth, Ludwig Ross, Volkmar Geiler, Hans-Georg Krolla +1 more | 1985-12-31 |