Patents by Inventor Vaughn M. Renwick

Vaughn M. Renwick 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).

  • Papermaking felt with a non-spiralled machine direction fiber batt
    Patent number: 5202170
    Abstract: A paper machine felt comprising a base fabric of a predetermined width and length, a plurality of fiber batts having a predetermined length and width with fibers forming the fiber batts extending in the width direction, the fiber batts being arranged to extend along their length in juxtaposed manner across the width of the base fabric and to be intertangled therewith by needling so that the fibers extend in the length direction of the base fabric.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: April 13, 1993
    Assignee: Wangner Systems Corporation
    Inventors: Chien-Yeh Hsu, Vaughn M. Renwick