Patents by Inventor Robert C. Ashworth, III

Robert C. Ashworth, III 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: 4398318
    Abstract: Metallic wire card clothing for carding elements is provided by a plurality of wire strips disposed side-by-side, as by helically winding at least two strips abutting each other on a supporting roll element, with each strip having an upstanding portion providing a row of teeth extending along the strip and the front edges of the teeth on each strip defining a common acute angle with the axis of the strip on which they are carried. The common acute angle of the teeth in one row is greater than the common acute angle of the teeth in the adjacent row by more than 10 degrees with preferably this difference in angles being at least 20 degrees and the acute angles for the front edges of the teeth relative to the strip axis being in the range of approximately 40 degrees to 90 degrees.
    Type: Grant
    Filed: April 30, 1981
    Date of Patent: August 16, 1983
    Assignee: Ashworth Bros., Inc.
    Inventor: Robert C. Ashworth, III