Kohaszati Gyarepito Vallalat

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Budapest, HU

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Patents Grantslast 30 patents

Information Patent Grant
Process for achieving proper weld quality in course of the welding...
- Patent number 4,605,836
- Issue date Aug 12, 1986
- Kohaszati Gyarepito Vallalat
- Ferenc Retfalvi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Recuperator
- Patent number 4,410,037
- Issue date Oct 18, 1983
- Kohaszati Gyarepito Vallalat
- Attila Biro
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Reversible electric drive with bidirectional back-current brake and...
- Patent number 4,396,877
- Issue date Aug 2, 1983
- Vallalat; Kohaszati Gyarepito
- Janos Egri
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER