Patents by Inventor Ross Hyland

Ross Hyland 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).

  • Down-Hole Swivel Sub
    Publication number: 20140299379
    Abstract: The present disclosure relates to a down-hole swivel sub (10) for connection in a work-string between a work-string and a down-hole apparatus, the sub comprising a first substantially cylindrical body (12) with a sleeve portion (22), a second substantially cylindrical body (28) being partially located within the sleeve portion (22) and the bodies being arranged to rotate relative to each other; and a clutch (90) disposed between said first and second substantially tubular bodies.
    Type: Application
    Filed: July 16, 2012
    Publication date: October 9, 2014
    Applicant: Tercel Oilfield Products UK Limited
    Inventors: Ross Hyland, Ian Pollock, John Hanton, Graeme Thomas Marr