Patents by Inventor Robin William Sinclair FIFIELD

Robin William Sinclair FIFIELD 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: 9540711
    Abstract: The present disclosure relates to an alloy, for hardbanding and/or hard overlay applications, which is abrasion resistant to the order of siliceous earth particles and weldable in crack free state on industrial products. The alloy is a carbon chrome based alloy comprising titanium and vanadium carbides and thus has an extremely low coefficient of friction, high abrasion resistance as welded without working. In tool joints and stabilizers, the alloy achieves an optimum balance between tool joint and stabilizer wear resistance and induced casing wear. The alloy is also self-shielded and therefore does not require external shielding gas.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: January 10, 2017
    Inventor: Robin William Sinclair Fifield
  • Publication number: 20120196149
    Abstract: The present disclosure relates to an alloy, for hardbanding and/or hard overlay applications, which is abrasion resistant to the order of siliceous earth particles and weldable in crack free state on industrial products. The alloy is a carbon chrome based alloy comprising titanium and vanadium carbides and thus has an extremely low coefficient of friction, high abrasion resistance as welded without working. In tool joints and stabilizers, the alloy achieves an optimum balance between tool joint and stabilizer wear resistance and induced casing wear. The alloy is also self-shielded and therefore does not require external shielding gas.
    Type: Application
    Filed: January 27, 2012
    Publication date: August 2, 2012
    Inventor: Robin William Sinclair FIFIELD