Patents by Inventor Stephen C. Ballard

Stephen C. Ballard 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).

  • Woven textile fabric having an ultrasonically cut and sealed edge and apparatus and process for producing same
    Patent number: 4693771
    Abstract: A woven textile fabric having at least 65% thermoplastic fibers therein with an ultrasonically cut and sealed edge characterized by a wash durability of preferably at least 25 to 50 washings without significant raveling. Apparatus and processes are provided for effecting such ultrasonic cutting and sealing to produce the desired cut and sealed edge in the woven textile fabric.
    Type: Grant
    Filed: April 10, 1985
    Date of Patent: September 15, 1987
    Assignee: Springs Industries, Inc.
    Inventors: George L. Payet, Stephen C. Ballard
  • Woven textile fabric having an ultrasonically cut and sealed edge and apparatus and process for producing same
    Patent number: 4534819
    Abstract: A woven textile fabric having at least 65% thermoplastic fibers therein with an ultrasonically cut and sealed edge characterized by a wash durability of preferably at least 25 to 50 washings without significant raveling. Apparatus and processes are provided for effecting such ultrasonic cutting and sealing to produce the desired cut and sealed edge in the woven textile fabric.
    Type: Grant
    Filed: November 28, 1983
    Date of Patent: August 13, 1985
    Assignee: Springs Industries, Inc.
    Inventors: George L. Payet, Stephen C. Ballard