Patents by Inventor Michael L. Bair

Michael L. Bair 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).

  • Rod coupling with mounted guide
    Patent number: 4668117
    Abstract: The following structure is connectible to a well sucker rod string:(a) an axially elongated coupling section having threads at its axially opposite ends for coupling to and between successive sucker rods in the string, to transmit string loading,(b) a rod guide extending about and bonded to the coupling section to project outwardly therefrom for engagement with the well bore during up and down stroking of the string.The guide typically comprises molded plastic material, is generally annular, and has a bore bonded to the outer surface of the section.
    Type: Grant
    Filed: April 1, 1986
    Date of Patent: May 26, 1987
    Assignee: Black Gold Pump & Supply, Inc.
    Inventor: Michael L. Bair