Eduard Krivec

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Patents Grantslast 30 patents

Information Patent Grant
Mining machine with core breakers
- Patent number 6,315,365
- Issue date Nov 13, 2001
- Tamrock Voest-Alphien Bergtechnik Gesellschaft m.b.H.
- Roman Gerer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Installation for shifting won minerals
- Patent number 5,193,295
- Issue date Mar 16, 1993
- Voest-Alpine Bergtechnik Gesellschaft m.b.H.
- Helmut Gradenegger
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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
Conveying means for removing a heap of debris
- Patent number 4,594,047
- Issue date Jun 10, 1986
- Voest-Alpine Aktiengesellschaft
- Eduard Krivec
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING