Helmut Stuhler

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Rothenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Moldings composed of cordierite and a process for producing them
- Patent number 5,061,421
- Issue date Oct 29, 1991
- Hoechst CeramTec Aktiengesellschaft
- Paul Girmscheid
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Process for the leakproof joining of ceramic sealing disks to metal...
- Patent number 4,955,522
- Issue date Sep 11, 1990
- Hoechst CeramTec Aktiengesellschaft
- Helmut Stuhler
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES