Franz Barnthaler

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Weisskirchen, AT

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Patents Grantslast 30 patents

Information Patent Grant
Device for guying a drift advancing machine within a drift
- Patent number 4,966,417
- Issue date Oct 30, 1990
- Voest-Alpine Maschinenbau Gesellschaft m.b.H.
- Alfred Zitz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting machine for cutting and carrying away material from a work...
- Patent number 4,878,714
- Issue date Nov 7, 1989
- Voest-Alpine Aktiengesellschaft
- Franz Barnthaler
- E21 - EARTH DRILLING MINING
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 exploiting machine
- Patent number 4,688,855
- Issue date Aug 25, 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