Patents by Inventor Goran Vilhelm Sundholm

Goran Vilhelm Sundholm 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).

  • Flange joint
    Patent number: 3966234
    Abstract: A flange joint for joining e.g. pipes, having at least one of the clamping flanges turnably mounted on one of the pieces to be joined, by means of a locking ring and locking grooves. When the flange is in tightening position the forward part of it forms a guide and a support for the other piece and for a packing fitted in between.
    Type: Grant
    Filed: February 21, 1975
    Date of Patent: June 29, 1976
    Inventor: Goran Vilhelm Sundholm