Patents by Inventor William P. Warthen

William P. Warthen 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).

  • Synthetic suture cutting device
    Patent number: 4845851
    Abstract: A device is provided for severing the tails of a knot formed in sutures of a wide variety of cross-sectional dimensions which includes a housing, an electrical heating element forming at least a portion of a notch, guide means operably associated with the heating element and the housing, the guide means functioning to bring the tails of the knot into contact with the heating element and meams for electrically supplying power to the heating element.
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: July 11, 1989
    Assignee: Milliken Research Corporation
    Inventor: William P. Warthen
  • Self-adhering orthopedic splint
    Patent number: 4798200
    Abstract: A self-adhering, orthopedic splint is provided which is capable of being conformed to the contours of a limb which comprises an elongated, warp knit fabric having relatively stiff, inelastic monofilaments in the width direction and relatively flexible, inelastic yarns in the length direction; the monofilaments are interrupted by at least one hinged section running in the lengthwise direction and the fabric is provided with a normally tacky, pressure sensitive adhesive.
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: January 17, 1989
    Assignee: Milliken Research Corporation
    Inventors: William P. Warthen, Mohammed I. Akhawala
  • Synthetic yarn device
    Patent number: 4285753
    Abstract: Apparatus and method to prevent the slippage of a knot in the tied synthetic yarn so that the tied yarns will not separate in the textile operation. The knotted yarns to be locked together actuate the switch to apply heat to the yarns to lock the knot in the yarns and sever the tails of the tied yarns.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: August 25, 1981
    Assignee: Milliken Research Corporation
    Inventor: William P. Warthen
  • Synthetic yarn device
    Patent number: 4030743
    Abstract: Apparatus and method to prevent the slippage of a knot in tied synthetic yarn so that the tied yarns will not separate in the textile operation. The knotted yarns to be locked together actuate the switch to apply heat to the yarns to lock the knot in the yarns and sever the tails of the tied yarns.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: June 21, 1977
    Assignee: Milliken Research Corporation
    Inventor: William P. Warthen