Patents by Inventor William Chelsea Bartenfeld

William Chelsea Bartenfeld 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).

  • Apparatus and method for selective multi-color dyeing of individual yarns and producing therefrom a predetermined complex design in a tufted carpet
    Patent number: 4015550
    Abstract: The apparatus and the method of the invention dyes the yarn ends of a sheet thereof individually at predetermined positions along their lengths and manufactures tufted carpets therefrom in a tufting machine to provide a predetermined multi-colored complex pattern in the carpet. The invention includes pretreatment of the yarn in a wetting and cleansing bath, removing excess bath liquid in preparation for dyeing, synchronizing the yarn feed at the start with the feed to the tufting machine, simultaneous dyeing of pairs of adjacent yarn ends and separating them for delivery to the tufting machine in an arrangement to produce identical patterns side-by-side in the carpet.
    Type: Grant
    Filed: August 12, 1975
    Date of Patent: April 5, 1977
    Assignee: West Point Pepperell, Inc.
    Inventors: William Chelsea Bartenfeld, Clifford Aldene Bryant, Wilbur Koontz Newman, Sr.