Ferdinand Bedenk

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Zeltweg, AT

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cutting excavations having a substantially planar face
- Patent number 4,711,502
- Issue date Dec 8, 1987
- Voest-Alpine Aktiengesellschaft
- Franz Barnthaler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drift advancing or mining machine
- Patent number 4,664,449
- Issue date May 12, 1987
- Voest-Alpine Aktiengesellschaft
- Franz Barnthaler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for sealing a drift cross section driven by means of a cutti...
- Patent number 4,662,685
- Issue date May 5, 1987
- Voest-Alpine Aktiengesellschaft
- Franz Barnthaler
- E21 - EARTH DRILLING MINING