Andras Solymos

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Tatabanya, HU

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Patents Grantslast 30 patents

Information Patent Grant
Mining method for working large-scale mineral deposits by the cavin...
- Patent number 4,799,738
- Issue date Jan 24, 1989
- Tatabanyai Szenbanyak
- Andras Solymos
- E21 - EARTH DRILLING MINING
Information Patent Grant
Supporting apparatus for the protection of mine gate crossings
- Patent number 4,416,566
- Issue date Nov 22, 1983
- Tatabanyai Szenbanyak
- Ferenc Szebenyi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process for the extraction of thick coal seams
- Patent number 4,400,035
- Issue date Aug 23, 1983
- Tatabanyai Szenbanyak
- Karoly Barsi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process for the underground gasification of coal and carbonaceous m...
- Patent number 4,386,657
- Issue date Jun 7, 1983
- Kozponti Banyaszati Fejlesztesi Intezet
- Jozsef Kiss
- E21 - EARTH DRILLING MINING