Patents by Inventor Bill V. Baxter

Bill V. Baxter 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: 4890671
    Abstract: This invention relates to a polished rod liner puller assembly and method of use having a plurality of interconnectable elements being (1) a spacer stand assembly; (2) a work table assembly mountable upon the spacer stand assembly; (3) a base plate assembly mountable upon a top surface of the work table assembly; (4) piston and cylinder jack assemblies pivotally connected to an upper surface of the base plate assembly; and (5) a winged rod clamp assembly connected to an outer end of the piston and cylinder jack assemblies and connectable to a polished rod liner assembly for axial movement thereof and subsequent replacement of a polished rod liner member. The work table assembly and base plate assembly are provided with U-shaped slot sections so as to be readily mountable about the existing pipe members in a well casing head assembly.
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: January 2, 1990
    Inventor: Bill V. Baxter