Patents by Inventor Torsten E. T. Strom

Torsten E. T. Strom 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).

  • Sealing ring
    Patent number: 4223896
    Abstract: A sealing ring to be received by an annular groove in one of two pipe elements which can be inserted one into the other, to seal between the pipe elements. The sealing ring comprises two integrated portions of different hardnesses, forming two surfaces enclosing an obtuse angle one of said surfaces being formed by the harder portion and the other one by the softer portion.
    Type: Grant
    Filed: March 13, 1979
    Date of Patent: September 23, 1980
    Assignee: AB Gustavsberg
    Inventor: Torsten E. T. Strom
  • Tube joint
    Patent number: 4202568
    Abstract: In a joint between two tubes having a corrugated outer wall and a smooth or corrugated inner wall the tubes are cut to form each an open annular space between said walls at the end. A sealing ring is received by the spaces, and the tubes are pressed against the sealing ring by means of a lock ring tightened about the tube ends.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: May 13, 1980
    Assignee: AB Gustavsberg
    Inventor: Torsten E. T. Strom
  • Connector ring
    Patent number: D257949
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: January 20, 1981
    Inventor: Torsten E. T. Strom