Patents by Inventor Peter John Stenstrom

Peter John Stenstrom 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: 6471268
    Abstract: A device for engaging an elongate article, such as a pipe or cable, for displacing the article longitudinally, comprises a tubular body formed of a plurality of longitudinal parts arranged to be opened apart and then closed together around the elongate article, and at least one collar formed of a plurality of parts carried by respective parts of the tubular body. The collar has a radially inner surface to form an interference engagement with the outer surface of the article, and a radially outer surface to engage the inner surface of the tubular body. The outer surface of the collar and/or the inner surface of the tubular body is tapered towards the trailing end of the device.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: October 29, 2002
    Inventors: Peter John Stenstrom, Gareth King