Wondraczek
Katrin Wondraczek, Erlangen DE
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20110111194 | CARRIER FOR GLASS SUBSTRATES - A carrier ( | 05-12-2011 |
Lothar Wondraczek, Erlangen DE
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20100099546 | TRANSPARENT, COLORLESS TITANIA-FREE BETA-QUARTZ GLASS-CERAMIC - The invention relates to a transparent and essentially colorless β-quartz glass-ceramic material which is free of TiO | 04-22-2010 |
20100167903 | TRANSPARENT, COLORLESS LOW-TITANIA BETA-QUARTZ GLASS-CERAMIC MATERIAL - The invention mainly relates to a transparent, essentially colorless/?β-quartz glass-ceramic material, the composition of which is free of As | 07-01-2010 |
20110212824 | Glass Ceramics With Bulk Scattering Properties and Methods of Making Them - Glass ceramics with bulk scattering properties and the use of those glass ceramics, for example, in OLED or photovoltaic applications. | 09-01-2011 |
Lothar Wondraczek, Erlangen FR
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20100130341 | Blue Beta-Quartz Glass-Ceramic Materials, Articles Made Thereof, and Fabrication Process - The present invention discloses a blue transparent glass-ceramic material comprising β-quartz solid solution as a predominant crystalline phase and process for making same. The glass-ceramic comprises TiO | 05-27-2010 |
Lothar Wondraczek, Veneux-Les-Sablons FR
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20080207424 | Bismuth-containing glass, glass-ceramic, articles and fabrication process - Bi-containing glass-ceramic material, especially those containing β-quartz and/or β-spodumene solid solutions as the predominant crystalline phase, and the precursor glass material as well as process of making such glass-ceramic material and articles. The glass-ceramic can be made to have a dark color, and essentially to be free of V | 08-28-2008 |
Lutz Wondraczek, Korntal-Muenchingen DE
Patent application number | Description | Published |
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20150190892 | METHOD FOR PRODUCING A HOUSING, ESPECIALLY A VALVE HOUSING - A method for producing a housing is provided. In a first method step, connecting a material plate, having a main extension plane in each case, of the first, second and third material, respectively, in the first and second connection regions, the first and second connection region extending parallel to the main extension planes of the material plates in each case; in a second connection step, processing the interconnected material plates in order to produce the first, second and third zones of the housing. | 07-09-2015 |