Patents by Inventor John H. Beall

John H. Beall 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: 4105189
    Abstract: A line diverter unit for use with a sand line in a drill pipe comprising a body threaded for attachment to a drill pipe elevator and a pair of pulleys arranged to guide a sand line into a bore through the body and then into the drill pipe, one of the pulleys being mounted on a collapsible linkage so that, in use, the pulley is located away from the drill pipe axis and clear of fouling engagement with any mechanism associated with the drill pipe and its support.
    Type: Grant
    Filed: August 20, 1976
    Date of Patent: August 8, 1978
    Inventor: John H. Beall