Erich Bildl

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Patents Grantslast 30 patents

Information Patent Grant
Material comprising silicon and process for its manufacture
- Patent number 5,164,138
- Issue date Nov 17, 1992
- Heliotronic Forschungs- und Entwicklungsgesellschaft fur Solarzellen-Grundsto...
- Josef Dietl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Low-contamination method for comminuting solid silicon fragments
- Patent number 4,871,117
- Issue date Oct 3, 1989
- Heliotronic Forschungs- und Entwicklungsgesellschaft fur Solarzellen GmbH
- Rolf Baueregger
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Process for the purification of silicon by the action of an acid
- Patent number 4,588,571
- Issue date May 13, 1986
- Heliotronic Forschungs- und Entwicklungsgesellschaft fur Solarzellen-Grundsto...
- Erich Bildl
- C01 - INORGANIC CHEMISTRY