Patents by Inventor Garry L. McDugle

Garry L. McDugle 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).

  • Inner seal for ram-type blowout preventer
    Patent number: 5127623
    Abstract: An inner seal assembly for a pair of opposed ram bodies (12, 14) of a ram-type blowout preventer (10) includes an elastomeric packer (22) and a resilient insert (23). Resilient insert (23) has a plurality of lugs (58) which fit within indentations (36) in a recess (34) formed by the packer (22) and guide insert (23) into an accurate position within the packer (22) for securement to the packer (22) by separate fasteners (56). The insert (23) has an arcuate length of around 190.degree. and extends radially inwardly of the packer (22) in an open position a distance (D1) of at least around 1/16 inch to provide a marginal wear portion.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: July 7, 1992
    Assignee: Petro-Flex Rubber Products, Inc.
    Inventor: Garry L. McDugle