Gunter Brockmann

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Bad Homburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for applying a sprayed concrete layer to a...
- Patent number 4,824,022
- Issue date Apr 25, 1989
- Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann
- Bernd Hillemeier
- E04 - BUILDING
Information Patent Grant
Method and apparatus for the spray placing of concrete layers
- Patent number 4,804,563
- Issue date Feb 14, 1989
- Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann
- Bernd Hillemeier
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES