Patents by Inventor Tormod O. Dyken

Tormod O. Dyken has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Assembly for casting large curved shells of reinforced concrete
    Patent number: 5174074
    Abstract: A large, curved or spherical shell of reinforced concrete is cast without utilization of supporting framework. A casting formwork is in the form of a thin, suspended membrane that is reinforced with a collar. During construction and transport, the membrane is preliminarily equipped with a reinforcing compression ring.
    Type: Grant
    Filed: July 9, 1991
    Date of Patent: December 29, 1992
    Assignee: Norwegian Contractors a.s.
    Inventor: Tormod O. Dyken