Lajos Natkai

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Budapest, HU

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Patents Grantslast 30 patents

Information Patent Grant
Axial flow apparatus with rotating helical chamber and spindle members
- Patent number 4,482,305
- Issue date Nov 13, 1984
- Orszagos Koolaj es Gazipari Troszt
- Lajos Natkai
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hydraulic drilling motor with rotary internally and externally thre...
- Patent number 4,397,619
- Issue date Aug 9, 1983
- Orszagos Koolaj es Gazipari Troszt
- Odon Alliquander
- E21 - EARTH DRILLING MINING