Patents by Inventor Geoffrey Oliver Lloyd

Geoffrey Oliver Lloyd 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: 4019926
    Abstract: A method for the diminution of high temperature oxidation in an iron alloy ontaining chromium consisting of at least partially enclosing the alloy and a volatile inorganic boron compound, heating the boron compound and allowing the volatile constituent of the boron compound to contact at least one surface of the alloy.
    Type: Grant
    Filed: July 1, 1974
    Date of Patent: April 26, 1977
    Assignee: The Secretary of State for Industry in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Geoffrey Oliver Lloyd, John Ernest Rhoades-Brown, Stuart Richard John Saunders
  • Patent number: 3936583
    Abstract: A method of protecting an article having at least a surface layer of an alloy of iron and/or nickel which contains at least 1 per cent of chromium, against high temperature oxidation, by contacting the article with a solution or a suspension of a borate and/or a phosphate in a volatile polar organic solvent so that, after removal of the solvent, a film weighing at least 3 .mu. g / cm.sup.2 of the borate and/or phosphate material is deposited on the surface of the article.
    Type: Grant
    Filed: October 25, 1973
    Date of Patent: February 3, 1976
    Assignee: Secretary of State for Trade & Industry in Her Britannic Majesty's Govt. of U.K. of Gt. Britain & Northern Ireland
    Inventors: Geoffrey Oliver Lloyd, John Ernest Rhoades-Brown, Stuart Richard John Saunders