Patents by Inventor William B. Lazzari

William B. Lazzari 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).

  • Safety scaffold for metal melting furnaces
    Patent number: 4407392
    Abstract: A safety scaffold includes a platform (21) for supporting a workman while using jack hammer to remove encrustations (13) from a furnace wall (14). A pair of lanyards (29 and 31) are secured at first ends to a restraint worn by the workman, and at the opposite ends to a trolley (28) riding on a guide rail (27) so as to restrict movement of the workman toward an opening (23) in the platform. A duct system (24) is mounted beneath the platform (21) to exhaust fumes emanating from the furnace (11).
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: October 4, 1983
    Assignee: Western Electric Company, Inc.
    Inventor: William B. Lazzari