Schafer; Ernst-Walter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schafer; Ernst-Walter.The latest application filed is for "method and apparatus for heating melts".
- Schafer; Ernst-Walter - Welgesheim DE
| Patent | Date |
|---|---|
| Device and method for melting a substance with the occurrence of a low level of contamination Grant 7,296,441 - Leister , et al. November 20, 2 | 2007-11-20 |
| Method and apparatus for heating melts App 20060144089 - Eichholz; Rainer ; et al. | 2006-07-06 |
| Process and apparatus for melting inorganic substances App 20050083989 - Leister, Michael ; et al. | 2005-04-21 |
| Device and method for melting a substance with the occurrence of a low level of contamination App 20050005646 - Leister, Michael ; et al. | 2005-01-13 |
| Device for melting and refining of highly pure optical glasses App 20030051510 - Romer, Hildegard ; et al. | 2003-03-20 |
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