Patents by Inventor B. Thure F. Ekman

B. Thure F. Ekman 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).

  • Patent number: 3990730
    Abstract: A connecting fitting for pressure conduits including a pair of coupling elements with corresponding bores and one element having a female portion capable of receiving a male portion of the other element and said female portion having spaced apart recesses with seals positioned therein cooperating with exterior surfaces of said male portion to provide seals therebetween. One of said seals spacing said male and female parts in the assembled position thereof and having a recess providing a pair of lips with an orifices therebetween opening into said space between said parts for receiving a medium under pressure in said conduits, for spreading said lip into sealing engagement with said male and female parts.
    Type: Grant
    Filed: October 17, 1974
    Date of Patent: November 9, 1976
    Inventor: B. Thure F. Ekman