Patents by Inventor Fred Klingensmith

Fred Klingensmith 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: 4244093
    Abstract: A tubing slip pulling tool for the removal of tubing slips from a well casing head comprising a substantially disc-like member; a centrally spaced circular opening to receive a tubing therethrough; and a plurality of radial slots circumferentially spaced around the disc-like member, these slots being adapted to receive bolts therethrough for attaching the tool to the tubing slips. In an alternate embodiment of the present invention, the disc-like member is divided into three equal-sized arcuate sections, these sections being provided with hinge means to permit the opening of the tool and tongue and sheath for securing the tool in a coplanar alignment.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: January 13, 1981
    Inventor: Fred Klingensmith