Patents by Inventor Thore K. E. Wiklund

Thore K. E. Wiklund 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).

  • Hose-break valve
    Patent number: 4413643
    Abstract: A hose-break valve comprises a valve housing (2) and a sliding gate (1) movable therealong and is connected with a pressure hose (5) which is surrounded by a protective sleeve (14), while defining a space (13) filled with a pressure medium. The sliding gate (1) is under the action of, on the one hand, the pressure medium in said space (13) and, on the other hand, a loading device (17) acting opposite the pressure medium. First and second pressure relieving devices are provided for closing the valve by means of the loading device (17) when the pressure of the pressure medium in said space (13) respectively exceeds an upper limit value and falls short of a lower limit value.
    Type: Grant
    Filed: April 22, 1981
    Date of Patent: November 8, 1983
    Assignee: Regioninvest i Norr AB
    Inventor: Thore K. E. Wiklund