Patents by Inventor Sidney E. Speed

Sidney E. Speed 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: 3981720
    Abstract: A process of foaming metal and particularly aluminum and its alloys by catalyzing and controlling the solid state decomposition of a material which releases a gas at elevated temperatures comprising mixing a discrete particulate material containing a major proportion of aluminum with zirconium hydride or titanium hydride, heating the resultant compact at a temperature of 850.degree. to 900.degree.F for at least 5 minutes and then adding said compact to a molten metal melt.
    Type: Grant
    Filed: February 7, 1972
    Date of Patent: September 21, 1976
    Assignee: Swiss Aluminum Limited
    Inventor: Sidney E. Speed
  • Patent number: D312008
    Type: Grant
    Filed: September 18, 1987
    Date of Patent: November 13, 1990
    Inventors: Sidney E. Speed, Francis A. Christina