Patents by Inventor Reima J. Vuokivi

Reima J. Vuokivi 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).

  • Refractory lining for a metal pipe
    Patent number: 4367868
    Abstract: A metal pipe, which is to be protected from high temperature and from the attack of molten metals and slags, is protected by an exterior lining consisting of a refractory ceramic composition which has been moulded between two coaxially placed tubes. The inner tube and preferably also the outer tube is a thin-walled metal tube permitting the lining to slide on the metal pipe on thermal movements.
    Type: Grant
    Filed: October 1, 1980
    Date of Patent: January 11, 1983
    Assignee: Hoganas AB
    Inventors: Ingvar G. A. Blom, Reima J. Vuokivi