Having Slip Means Actuator Patents (Class 285/123.11)
  • Sealed grease head and top drive guide
    Patent number: 11215025
    Abstract: The sealed grease head provides a grease compartment with no oiler or oil lines. The grease compartment is sealed by a top seal and a bottom seal that seals between the inner barrel and the outer barrel. The sealed grease head provides a bottom seal that seals the grease compartment. A rubber adapter secures the seal while also securing the rubber to the inner barrel.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: January 4, 2022
    Assignee: PRUITT TOOL & SUPPLY CO.
    Inventors: Grant Pruitt, Cris Braun
  • Apparatus and method for connecting tubular members
    Patent number: 6554324
    Abstract: A connector for connecting a first tubular member to a second tubular member is disclosed, for example for connecting a riser to a wellhead in a subsea oilfield location. The second tubular member has a seating surface and comprises an engagable locking profile. The connector comprises a housing for securing the connector to the end portion of the first tubular member, the housing comprising a seating surface for contacting the seating surface of the second tubular member.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: April 29, 2003
    Assignee: Cooper Cameron Corporation
    Inventor: Richard J. Herman