Hans Petschauer

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Grossalmerode, DE

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Patents Grantslast 30 patents

Information Patent Grant
Large format fireclay refractory block and method of producing the...
- Patent number 6,239,053
- Issue date May 29, 2001
- VGT Industriekeramik GmbH
- Hans Petschauer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Large-format fireclay refractory brick, in particular bottom block...
- Patent number 6,171,990
- Issue date Jan 9, 2001
- VGT Industriekeramik GmbH
- Hans Petschauer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Large-format fireclay refractory brick and method for its production
- Patent number 5,941,043
- Issue date Aug 24, 1999
- VGT Industriekeramik GmbH
- Hans Petschauer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Large-format fireclay refractory brick, in particular bottom block...
- Patent number 5,827,601
- Issue date Oct 27, 1998
- VGT Industriekeramik GmbH
- Hans Petschauer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Superduty fireclay refractory brick and methods for its manufacture
- Patent number 5,407,875
- Issue date Apr 18, 1995
- VGT Industriekeramik GmbH
- Hans Petschauer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES