Patents by Inventor Christopher N HULME-SMITH

Christopher N HULME-SMITH 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).

  • Nanocrystalline bainitic steels, shafts, gas turbine engines, and methods of manufacturing nanocrystalline bainitic steels
    Patent number: 10457996
    Abstract: A nanocrystalline bainitic steel consisting of, by weight percentage: 0.3% to 0.6% carbon; 9.0% to 20.0% nickel; up to 10% cobalt; 1.0% to 4.5% aluminium; up to 0.5% molybdenum; up to 0.5% manganese; up to 0.5% tungsten; up to 3.0% chromium; and the balance being iron and impurities.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: October 29, 2019
    Assignee: ROLLS-ROYCE plc
    Inventors: Paul O Hill, Steve W Ooi, Christopher N Hulme-Smith, Harshad K Bhadeshia, Martin J Rawson, Mathew J Peet
  • NANOCRYSTALLINE BAINITIC STEELS, SHAFTS, GAS TURBINE ENGINES, AND METHODS OF MANUFACTURING NANOCRYSTALLINE BAINITIC STEELS
    Publication number: 20170275716
    Abstract: A nanocrystalline bainitic steel consisting of, by weight percentage: 0.3% to 0.6% carbon; 9.0% to 20.0% nickel; up to 10% cobalt; 1.0% to 4.5% aluminium; up to 0.5% molybdenum; up to 0.5% manganese; up to 0.5% tungsten; up to 3.0% chromium; and the balance being iron and impurities.
    Type: Application
    Filed: February 23, 2017
    Publication date: September 28, 2017
    Applicant: ROLLS-ROYCE plc
    Inventors: Paul O HILL, Steve W OOI, Christopher N HULME-SMITH, Harshad K BHADESHIA, Martin J RAWSON, Mathew J PEET