Patents by Inventor Fancher B. Wakefield

Fancher B. Wakefield 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: 4103937
    Abstract: A coupling of two members having spherical sealing surfaces to accommodate misalignment of conduits coupled thereby which coupling has one member having a cylindrical portion mechanically maintaining the coupling with the other member having a surface to cooperate with the cylindrical portion.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: August 1, 1978
    Assignee: Grumman Aerospace Corporation
    Inventor: Fancher B. Wakefield
  • Patent number: 4025092
    Abstract: A seat element is attached by mechanically swaging, welding, or brazing to one section of tubing and comprises a radially extending cylindrical flange with exterior and interior spherical mating surfaces. A sleeve element is placed over the seat element for axial movement thereon, and is provided with an interior spherical surface for engagement with the exterior spherical surface of the seat element. An externally threaded union secured to another section of tubing or component boss is provided with a thin flexible flange which may be conical or spherically concave for engagement with the interior spherical surface of the seat element in a stressed relation when engaged by the sleeve element.
    Type: Grant
    Filed: December 2, 1974
    Date of Patent: May 24, 1977
    Assignee: Grumman Aerospace Corporation
    Inventor: Fancher B. Wakefield