Patents by Inventor Joe P. Parris, III

Joe P. Parris, III 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: 4518144
    Abstract: An improved ram-type blowout preventer having a housing with a vertical bore and opposed, aligned ram guideways, a ram in each guideway, means for moving the rams inwardly and outwardly in the guideways, each ram having an improved ram front packer with a packing and means for directing the flow of the packing into a restricted opening at the face of the packer.
    Type: Grant
    Filed: September 1, 1983
    Date of Patent: May 21, 1985
    Assignee: Cameron Iron Works, Inc.
    Inventors: John C. Vicic, Carl A. La Velle, Joe P. Parris, III