Patents by Inventor William Wald

William Wald 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: 4680209
    Abstract: A packaging system and method for self stick carpet tiles includes a first group of tiles with adhesive and non-stick material arranged on the bottom surfaces according to a first pattern and a second group of carpet tiles with adhesive and non-stick material arranged on the bottom surfaces according to a second pattern. The first and second group tiles are paired off with their bottom surfaces facing each other. The first and second patterns of adhesive and non-stick material are chosen so that adhesive on the tiles does not contact each other when the carpet tile pairs are formed.The invention includes an apparatus for applying an adhesive or non-stick material to the backs of the carpet tiles, including a plurality of adhesive guns, a means for supplying adhesives to the plurality of adhesive guns, and a control means connected to the supplying means and to the plurality of adhesive guns for applying adhesive to the backs of carpet tiles and any one of a plurality of predetermined patterns.
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: July 14, 1987
    Assignee: Burlington Industries, Inc.
    Inventors: Walter C. Zybko, William Wald, Thomas V. McClure
  • Patent number: 4405668
    Abstract: A pressure sensitive one piece carpet-binder construction for releasably adhering working pieces, such as carpets or similar articles, to holding surfaces, such as a floor substrate.
    Type: Grant
    Filed: December 10, 1982
    Date of Patent: September 20, 1983
    Assignee: Lewis J. McDermott, III
    Inventor: William Wald