Patents by Inventor Clarence Oster

Clarence Oster 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: 4182537
    Abstract: An anti-friction sucker rod coupling and guide apparatus comprises:(a) a rod member having an anti-friction surface along its cylindrical length;(b) fasteners affixed at each end of the rod member for attaching the rod member within a sucker rod string;(c) a rod guide having an inner anti-friction surface contacting the anti-friction surface of the rod member and slideably positioned about the rod member, the rod guide having an outer diameter sufficient to functionally contact the inner diameter of a tubing string in which the sucker rod string is positioned, the rod guide further including passageway sufficient to permit passage of produced fluid the fasteners adapted to maintain the rod guide on the rod member within deformation.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: January 8, 1980
    Assignee: Conoco, Inc.
    Inventor: Clarence Oster
  • Patent number: RE31016
    Abstract: An anti-friction sucker rod coupling and guide apparatus comprises:(a) a rod member having an anti-friction surface along its cylindrical length;(b) fasteners affixed at each end of the rod member for attaching the rod member within a sucker rod string;(c) a rod guide having an inner anti-friction surface contacting the anti-friction surface of the rod member and slideably positioned about the rod member, the rod guide having an outer diameter sufficient to functionally contact the inner diameter of a tubing string in which the sucker rod string is positioned, the rod guide further including passageway sufficient to permit passage of produced fluid the fasteners adapted to maintain the rod guide on the rod member within deformation.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: August 24, 1982
    Assignee: Conoco Inc.
    Inventor: Clarence Oster