Patents by Inventor Robert Michael Parker

Robert Michael Parker 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).

  • Spill control plug and method
    Patent number: 5967236
    Abstract: A spill control plug is arranged to be selectively inserted into and removed from tubing while the tubing is being tripped into or out of a well to contain the fluids therein.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: October 19, 1999
    Assignee: Texaco Inc.
    Inventor: Robert Michael Parker