Patents by Inventor Joseph Czempoyesh

Joseph Czempoyesh 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).

  • Protective cover
    Patent number: 4780351
    Abstract: A device for containing the force of an explosion comprises a blanket or curtain of flexible material that can be draped around a danger zone. The blanket or curtain comprises a plurality of layers of fabric, each layer having a tight, balanced weave independently woven from a tough, non-combustible yarn of at least 1,000 denier. The fabric is substantially interrupted by stitching in a central zone intended to take the main force of the explosion. The fabrics are bound together at their edges with a border of tough material extending around the periphery of the blanket or curtain.
    Type: Grant
    Filed: August 20, 1987
    Date of Patent: October 25, 1988
    Assignee: Wheelabrator Corporation of Canada Limited
    Inventor: Joseph Czempoyesh