Patents Assigned to ABS Worldwide Technical Services, Inc.
  • Pipeline crawler
    Patent number: 4006359
    Abstract: A crawler is disclosed for traveling through a workpiece such as a pipeline and inspecting the same for defects. The crawler is a completely self-contained, self-propelled and self-operated vehicle adapted to travel through a pipeline, stop at particular locations such as a girth weld between adjoining sections of pipe, inspect the weld, for example by X-raying it and then proceed onto the next location to be inspected.
    Type: Grant
    Filed: October 12, 1970
    Date of Patent: February 1, 1977
    Assignee: ABS Worldwide Technical Services, Inc.
    Inventors: James R. Sullins, Robert E. West