Patents by Inventor James P. McEver

James P. McEver 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: 4844510
    Abstract: A ratcheting connector for providing a radial connection between two concentric tubular members, with one of the members having a recess in which a split latching ring is mounted with coarse threaded engagement between said split latching ring and said one member and fine threads on the side of said split latching ring facing the other member which has mating fine threads with a shape which cams said split latching ring into its recess as the threads move past each other in the direction of installation. Setting of the connector is accomplished after full engagement of the fine threads by rotation of the central tubular member less than a full revolution.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: July 4, 1989
    Assignee: Cameron Iron Works USA, Inc.
    Inventors: David H. Theiss, James P. McEver
  • Patent number: 4823871
    Abstract: The improved structure of the present invention includes a hanger having a landing shoulder for engaging the landing seat within a wellhead housing, a hanger holddown ring, an external sealing surface spaced from the internal sealing surface of the housing to form the annulus to be sealed, a seal assembly including a seal body having external metal seal legs diverging outward but having a free diameter less than the diameter of the housing internal sealing surface and internal metal seal legs converging inwardly and having a free diameter smaller than the diameter of the hanger external sealing surface, a lower body movably connected to the seal body and having an upstanding rim engaging the lower outer seal leg, an upper body movably connected to the seal body, a loading ring surrounding the upper portion of the seal body and engaging the upper outer seal leg, a lock down ring for securing said seal assembly to said hanger after the seal assembly has been set in loaded sealed position and a pin for retaining
    Type: Grant
    Filed: February 24, 1988
    Date of Patent: April 25, 1989
    Assignee: Cameron Iron Works USA, Inc.
    Inventors: James P. McEver, David H. Theiss
  • Patent number: 4496162
    Abstract: A well annulus sealing assembly having a body with a seal ring assembly including a resilient ring with thin metal end caps, and radial energizing means including a body with a first outer surface and an enlarged outer surface with means for moving the seal ring assembly from the first outer surface to the enlarged outer surface.
    Type: Grant
    Filed: August 23, 1982
    Date of Patent: January 29, 1985
    Assignee: Cameron Iron Works, Inc.
    Inventors: James P. McEver, James Lewandowski
  • Patent number: 4474381
    Abstract: A tubular joint having two tubular members having an inner end tapered to provide sealing surfaces, means for joining the tubular members together with the tapered end surfaces adjoining each other, and a seal ring having an inner surface and tapered outer surfaces mating with the tapers of the tapered end surfaces and at least one port through the ring from the mid point of one of its tapered outer surfaces to its inner surface.
    Type: Grant
    Filed: April 28, 1983
    Date of Patent: October 2, 1984
    Assignee: Cameron Iron Works, Inc.
    Inventors: Robert L. Wilkins, Eugene J. Cegielski, James P. McEver, Edward J. Szymczak