Norbert Greulich

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Mainz, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing building materials
- Patent number 6,187,255
- Issue date Feb 13, 2001
- Indupart Glaskeramic Stahl - Und Metallbau GmbH
- Norbert Greulich
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing tabular building and decorative materials sim...
- Patent number 5,649,987
- Issue date Jul 22, 1997
- Schott Glaswerke
- Norbert Greulich
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of producing open-pore sintered glass filters and product
- Patent number 4,927,442
- Issue date May 22, 1990
- Schott Glaswerke
- Norbert Greulich
- C03 - GLASS MINERAL OR SLAG WOOL