Patents by Inventor Audley V. Spencer

Audley V. Spencer 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).

  • Swivel or rotating coupling
    Patent number: 4006924
    Abstract: The present invention is a swivel coupling. The coupling provides an effective seal by utilizing the fluid pressure present in the coupling. The fluid exerts pressure against one component of the coupling forcing it to seal against another component while permitting complete rotation of those components.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: February 8, 1977
    Inventor: Audley V. Spencer