Patents by Inventor Shane Schwindt

Shane Schwindt 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).

  • Production casing ripper
    Patent number: 7581591
    Abstract: A production casing ripper comprising a swedge; spring housing; coupling; main housing; end piece; blade; and means for connecting the blade to the plunger; wherein the blade is situated inside of the main housing; wherein a plunger is situated inside of the main housing; wherein a primary spring is situated inside of the spring housing; wherein a primary pull rod is connected to the primary spring at one end and to the plunger at the other end; wherein when hydraulic pressure is introduced through the swedge, the plunger moves downward inside of the main housing and causes the blade to extend through an aperture in the main housing; and wherein when the hydraulic pressure is released, the primary spring causes the plunger to return to its original position, thereby causing the blade to retract.
    Type: Grant
    Filed: January 30, 2007
    Date of Patent: September 1, 2009
    Assignee: Liquid Gold Well Service, Inc.
    Inventor: Shane Schwindt
  • PRODUCTION CASING RIPPER
    Publication number: 20080178721
    Abstract: A production casing ripper comprising a swedge; spring housing; coupling; main housing; end piece; blade; and means for connecting the blade to the plunger; wherein the blade is situated inside of the main housing; wherein a plunger is situated inside of the main housing; wherein a primary spring is situated inside of the spring housing; wherein a primary pull rod is connected to the primary spring at one end and to the plunger at the other end; wherein when hydraulic pressure is introduced through the swedge, the plunger moves downward inside of the main housing and causes the blade to extend through an aperture in the main housing; and wherein when the hydraulic pressure is released, the primary spring causes the plunger to return to its original position, thereby causing the blade to retract.
    Type: Application
    Filed: January 30, 2007
    Publication date: July 31, 2008
    Inventor: Shane Schwindt