Patents Assigned to Bouwmaatschappij Nederhorst B. V.
  • Safety wall for a storage tank
    Patent number: 4074485
    Abstract: Safety wall for a storage tank containing liquids which are dangerous to the environment, such as liquid natural gas, acrylonitrile, ethylene, hydrocyanic acid compounds etc., which wall, made of concrete, surrounds the storage tank with an interspace and is freely mounted on a supporting floor, while it is tensioned circumferentially by means of tensioning wires which do not bond to the concrete.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: February 21, 1978
    Assignee: Bouwmaatschappij Nederhorst B. V.
    Inventor: Nicolaas Arie Hendriks
  • Storage tank having a protective wall construction
    Patent number: 4069642
    Abstract: Storage tank for liquids presenting a danger to the environment, such as liquid natural gas, ethylene, propylene and the like. The tank comprises an inner tank and a concrete outer tank, an insulating material, the wall of the outer tank being a rigid prestressed concrete wall adjoining other structural parts.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: January 24, 1978
    Assignee: Bouwmaatschappij Nederhorst B. V.
    Inventor: Nicolaas Arie Hendriks