Patents Assigned to Comporgan Rendszerhaz Kozos Vallalat
  • Catchwater drain, excavating structure and method of construction
    Patent number: 4934865
    Abstract: A process and structure is disclosed for the construction of catchwater drains, mainly deep catchwater drains, drain ribs, supporting ribs or similar structures, wherein a trench is excavated step by step in the soil, into which water collecting-aquiferous elements are laid, then suction bodies essentially filling out the trench are placed over the water collecting-aquiferous elements.
    Type: Grant
    Filed: December 10, 1987
    Date of Patent: June 19, 1990
    Assignee: Comporgan Rendszerhaz Kozos Vallalat
    Inventors: Laszlo Varkonyi, Gyula Vaci, Csaba Asszonyi