Patents by Inventor William J. Atwell

William J. Atwell 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).

  • Silicone/elastomer fiberglass sleeves
    Patent number: 4452279
    Abstract: A fire sleeve is made in the form of an elongated, flexible tube which may serve as a conduit for anything, such as wires, hydraulic lines, fuel hoses, air ducts, or the like. The fire sleeve has an elastomer jacket molded over an inner layer of braided yarn. Various molding techniques are used to improve the jacket-to-braid bonding. The fire sleeve will meet FAA tests wherein it must withstand the temperature of a burning aircraft for a fifteen-minute period before exposing the contents of the sleeve to the fire.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: June 5, 1984
    Assignee: Titeflex Corporation
    Inventor: William J. Atwell