Patents by Inventor Jeffrey T. Melancon

Jeffrey T. Melancon 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).

  • Variable bore ram
    Patent number: 6974135
    Abstract: A ram type blowout preventer includes variable ram packers for sealing about tubulars of different outside diameters in the bore of the preventer housing or about a single tubular having a variable outside diameter. Each ram packer includes a body of elastomeric material formed about vertical ribs to conform to tubular having variable OD within a certain range.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: December 13, 2005
    Assignee: Varco I/P Inc.
    Inventors: Jeffrey T. Melancon, David J. McWhorter