Robert Pirker

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Patents Grantslast 30 patents

Information Patent Grant
Frog, in particular frog point, for rail crossing or rail switches...
- Patent number 4,514,235
- Issue date Apr 30, 1985
- Voest-Alpine Aktiengesellschaft
- Hubert Augustin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rail switch
- Patent number 4,168,817
- Issue date Sep 25, 1979
- Vereinigte Osterreichische Eisen- und Stahlwerke - Alpine Montan Aktiengesell...
- Robert Pirker
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Railway switch for vignoles rails
- Patent number 4,159,090
- Issue date Jun 26, 1979
- Vereinigte Osterreichische Eisen- und Stahlwerke - Alpine Montan Aktiengesell...
- Robert Pirker
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES