Patents by Inventor Bruce G. Parker

Bruce G. Parker 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).

  • Front packer for ram-type blowout preventer
    Patent number: 5603481
    Abstract: A ram-type blowout preventer (10) has a front packing arrangement (24) with a packer assembly (28) therein. Packer assembly (28) includes an elastomeric packer member (30) and a recess (46) defined between plates (32) and (34) adjacent elastomeric packer member (30). A replaceable wear insert (60) insertable within recess (46) has projections (74) on opposed parallel sides (66, 68) of insert (60). Projections (74) include a pair of wedge-shaped projecting portions (76, 78) which press into and deform the adjacent contacting sides (48, 50) of elastomeric packer member (30) for retaining insert (60) in position within recess (46) without any separate preformed receptacles or grooves formed in elastomeric packer member (30).
    Type: Grant
    Filed: January 24, 1996
    Date of Patent: February 18, 1997
    Assignee: Cooper Cameron Corporation
    Inventors: Bruce G. Parker, Eric G. Childs