Csaba Asszonyi

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Patents Grantslast 30 patents

Information Patent Grant
Catchwater drain, excavating structure and method of construction
- Patent number 4,934,865
- Issue date Jun 19, 1990
- Comporgan Rendszerhaz Kozos Vallalat
- Laszlo Varkonyi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Process for the construction of a drain system
- Patent number 4,820,080
- Issue date Apr 11, 1989
- Comporgan System House
- Laszlo Varkonyi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Process and arrangement for the support of underground cavity syste...
- Patent number 4,505,622
- Issue date Mar 19, 1985
- Magyar Szenbanyaszati Troszt
- Csaba Asszonyi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Welded grid, primarily for securing underground cavities, cavity sy...
- Patent number 4,245,926
- Issue date Jan 20, 1981
- Magyar Szenbanyaszati Troszt
- Csaba Asszonyi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...