Sirtl; Erhard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sirtl; Erhard.The latest application filed is for "semicontinuous process for the manufacture of pure silicon".
- Sirtl; Erhard - Marktl DE
- Sirtl; Erhard - Munich DT
- Sirtl; Erhard - Midland MI
| Patent | Date |
|---|---|
| Semicontinuous process for the manufacture of pure silicon Grant 4,312,850 - Dietl , et al. January 26, 1 | 1982-01-26 |
| Method for making silicon rods Grant 4,312,700 - Helmreich , et al. January 26, 1 | 1982-01-26 |
| Process for applying a protective layer to shaped carbon bodies Grant 4,194,028 - Sirtl , et al. March 18, 1 | 1980-03-18 |
| Process for producing large-size, self-supporting plates of silicon Grant 4,131,659 - Authier , et al. December 26, 1 | 1978-12-26 |
| Process for producing large-size substrate-based semiconductor material utilizing vapor-phase deposition and subsequent resolidification Grant 4,113,532 - Authier , et al. September 12, 1 | 1978-09-12 |
| Silicon solar cell array Grant 3,953,876 - Sirtl , et al. April 27, 1 | 1976-04-27 |
| Silicon semiconductor device array and method of making same Grant 3,900,943 - Sirtl , et al. August 26, 1 | 1975-08-26 |
| Method For Epitactic Precipitation Of Silicon At Low Temperatures Grant 3,661,637 - Sirtl May 9, 1 | 1972-05-09 |
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