Patents by Inventor Thomas C. DiPerna

Thomas C. DiPerna 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: 5066537
    Abstract: The present invention relates to improved compressible, offset printing blankets suitable for use on high speed web processors. These blankets have improved resistance to fall-off at the gap and also have improved resistance to surface piping subsequent to reverse rolling of the blanket. The instant printing blanket comprises a carcass layer, a compressible layer overlaying the carcass layer, a stabilizing layer overlaying the compressible layer and an ink transfer layer upon the compressible layer, wherein the stabilizing layer is formed of a fabric having a plurality of continuous filament synthetic warp yarns, preferably nylon or polyester, following a sinusoidal path over and under the weft yarns.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: November 19, 1991
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Dennis O'Rell, Parviz Hamed, Thomas C. DiPerna