Egbert Zimmermann

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Oberaudorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Corrosion protected tension member for use in prestressed concrete...
- Patent number 4,878,327
- Issue date Nov 7, 1989
- Dyckerhoff & Widmann Aktiengesellschaft
- Oswald Nutzel
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Support for a tension tie member, such as a diagonal cable in a sta...
- Patent number 4,648,147
- Issue date Mar 10, 1987
- Egbert Zimmermann
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Apparatus for and method of assembling a tension tie member
- Patent number 4,648,146
- Issue date Mar 10, 1987
- Dyckerhoff & Widmann Aktiengesellschaft
- Oswald Nutzel
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES