Patents by Inventor Kevin P. Long

Kevin P. Long 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).

  • Well casing hanger with wide temperature range seal
    Patent number: 5031695
    Abstract: A well casing hanger with a wide temperature range seal element that is energized by axial compression with a pre-determined initial portion of the casing hang load, the remaining portion of that hang load then being transferred to the wellhead or other surrounding well element without imposition on the seal element.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: July 16, 1991
    Assignee: FMC Corporation
    Inventors: David E. Cain, Ronald W. Henley, Kevin P. Long, Tep Ungchusri, John C. Vicic