Hans Hurni

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Ecublens, CH

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Patents Grantslast 30 patents

Information Patent Grant
Railway track working machine equipped with a device for blocking t...
- Patent number 4,502,391
- Issue date Mar 5, 1985
- SIG Societe Industrielle
- Hans Hurni
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Railway track tamping machine
- Patent number 4,458,600
- Issue date Jul 10, 1984
- Sig Societe Industrielle Suisse
- Hans Hurni
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Railway work-site machine equipped with a mechanical unit for displ...
- Patent number 4,342,263
- Issue date Aug 3, 1982
- Sig Societe Industrielle Suisse
- Hans Hurni
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Single beam reference system for railway surveying
- Patent number 4,184,266
- Issue date Jan 22, 1980
- Canron, Inc.
- Hans Hurni
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES