Patents by Inventor Robin T. Cundill

Robin T. Cundill 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).

  • Alloys steel powders
    Patent number: 4253874
    Abstract: A finely divided annealed steel powder consisting by weight of up to 1.5% carbon, 1.0 to 2.0% chromium, less than 0.05% silicon, less than 0.1% manganese and either one or a combination of two or more of the following elements: 0.2 to 1.0% molybdenum, 0.2 to 1.0% nickel, up to 0.3% phosphorous and up to 1.0% coper, the balance, apart from impurities, being iron.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: March 3, 1981
    Assignee: British Steel Corporation
    Inventor: Robin T. Cundill