Patents by Inventor Andrew Korf

Andrew Korf 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).

  • Device for removing rotating head rubbers from drill pipe
    Patent number: 9702199
    Abstract: A device for removing rotating head rubbers from drill pipe comprising a base member, vertical shaft, lower pipe attachment bracket, left arm, right arm, diagonal shaft and upper pipe attachment member. Proximal ends of the left and right arms are welded to a top end of the vertical shaft, and the left and right arms lie in the same horizontal plane. Proximal ends of the left and right arms are welded together and distal ends of the left and right arms are separated so that the arms form a V-shaped fork. The diagonal shaft is welded to the top end of the vertical shaft at an upward angle of approximately 45 degrees. The upper pipe attachment member is removably inserted into a distal end of the diagonal shaft.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: July 11, 2017
    Inventors: Andrew Korf, William Haugen
  • DEVICE FOR REMOVING ROTATING HEAD RUBBERS FROM DRILL PIPE
    Publication number: 20160376872
    Abstract: A device for removing rotating head rubbers from drill pipe comprising a base member, vertical shaft, lower pipe attachment bracket, left arm, right arm, diagonal shaft and upper pipe attachment member. Proximal ends of the left and right arms are welded to a top end of the vertical shaft, and the left and right arms lie in the same horizontal plane. Proximal ends of the left and right arms are welded together and distal ends of the left and right arms are separated so that the arms form a V-shaped fork. The diagonal shaft is welded to the top end of the vertical shaft at an upward angle of approximately 45 degrees. The upper pipe attachment member is removably inserted into a distal end of the diagonal shaft.
    Type: Application
    Filed: June 24, 2015
    Publication date: December 29, 2016
    Inventors: Andrew Korf, William Haugen