Patents Examined by Larmie E. Askin
  • Service cable for a subsoil penetrating tool and method of preventing rotation of the cable when in use
    Patent number: 4866214
    Abstract: A cable used with a subsoil penetrating tool which contains a plurality of tubes and hoses used to transport all operational fluids and a plurality of electrical conducting wires used to transmit power ane electrical impulses for information. A unique internal structure reduces the rotation of the cable as the tool advances and provides rigidity to the cable to allow for the transmission of compressional forces along the cable to be applied to the advancing tool.
    Type: Grant
    Filed: June 2, 1988
    Date of Patent: September 12, 1989
    Assignee: Underground Technologies, Inc.
    Inventor: Frank R. Kinnan