Patents by Inventor Ednaldo Vilar Barreto

Ednaldo Vilar Barreto 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).

  • Papermaker's double layer forming fabric
    Patent number: 5857498
    Abstract: The forming fabric has a top machine side and an opposing bottom paper side and comprises machine direction (MD) yarns and cross machine direction (CMD) yarns interwoven in a repeating pattern of multiple repeating units. The repeating unit of the pattern comprises: paper side CMD yarns forming the paper side of the fabric; half as many machine side CMD yarns forming the machine side of the fabric; and MD yarns interwoven with both the paper side CMD yarns and the machine side CMD yarns. Within the repeating unit, each of the MD yarns passes beneath at least two paper side CMD yarns to form first and second paper side knuckles. Each of the MD yarns also passes above two machine side CMD yarns to form first and second machine side knuckles, which are separated from one another by at least two machine side CMD yarns.
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: January 12, 1999
    Assignee: Weavexx Corporation
    Inventors: Ednaldo Vilar Barreto, Robert G. Wilson