Patents by Inventor Robert L. Asbury

Robert L. Asbury 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).

  • Insulated helmet
    Patent number: 4619003
    Abstract: A heat resistant helmet composite comprises:(a) an outer dome-shaped shell,(b) an inner liner received in the shell, the liner having an outer dome shaped surface to fit in the shell, and(c) a metal foil sheet extending between the shell and the liner and extending over and adjacent the dome-shaped surface of the liner.Typically, the foil sheet is gathered throughout its major extent, to provide multiple locally overlapping layers of foil that increase the heat transfer resistance between the shell and liner.
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: October 28, 1986
    Assignee: Bell Helmets Inc.
    Inventor: Robert L. Asbury