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Adolf Meyer
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Leimen-Lingental, DE
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Patents Grants
last 30 patents
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Patent Grant
Tension chord made of hydraulically setting masses
Patent number
4,810,552
Issue date
Mar 7, 1989
Heidelberger Zement AG
Adolf Meyer
E04 - BUILDING
Information
Patent Grant
Device and process for continuous supply of hydraulically setting c...
Patent number
4,778,276
Issue date
Oct 18, 1988
Heidelberger Zement Aktiengesellschaft
Adolf Meyer
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for the continuous production of plates of fibre reinforced...
Patent number
4,655,982
Issue date
Apr 7, 1987
Heidelberger Zement AG
Adolf Meyer
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Apparatus for preparing an annular body of a hydraulically setting...
Patent number
4,632,720
Issue date
Dec 30, 1986
Heidelberger Zement AG
Adolf Meyer
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for preparing an annular body of a hydraulically setting mass
Patent number
4,472,335
Issue date
Sep 18, 1984
Heidelberger Zement AG
Adolf Meyer
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Fast-hardening hydraulic cement mass and surfacing method using the...
Patent number
4,312,904
Issue date
Jan 26, 1982
Heidelberger Zement AG
Adolf Meyer
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Multi-layer board
Patent number
4,292,364
Issue date
Sep 29, 1981
Heidelberger Zement Aktiengesellschaft
Ludwig Wesch
B32 - LAYERED PRODUCTS