Patents by Inventor Willard E. Raymor

Willard E. Raymor 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).

  • Method for washing a fibrous mat
    Patent number: 4521255
    Abstract: A coplanar fibrous mat is cleaned by directing an aqueous medium into contact with two opposed surfaces of the mat while the mat is positioned on a support to rotate the mat at a sufficient speed to cause particles to leave the mat due to centrifugal force.
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: June 4, 1985
    Inventors: Willard E. Raymor, Peter L. Hedegard