Patents by Inventor Keith D. Pigney

Keith D. Pigney 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).

  • Metallic particle generation device
    Patent number: 4405296
    Abstract: A device for producing metallic particles utilizes the Coanda Effect to draw one stream of gas toward another stream of gas flowing over a foil. Molten metal is introduced between the two gas streams, and the resulting interaction breaks up the molten metal flow into particles of appropriate size, shape, composition and the like.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: September 20, 1983
    Assignee: Teledyne Industries, Inc.
    Inventors: Earl N. Stuck, Keith D. Pigney, Howard Gifford
  • Metallic particle generation device
    Patent number: 4374789
    Abstract: A device for producing metallic particles utilizes the Coanda Effect to draw one stream of gas toward another stream of gas flowing over a foil. Molten metal is introduced between the two gas streams, and the resulting interaction breaks up the molten metal flow into particles of appropriate size, shape, composition and the like.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: February 22, 1983
    Assignee: Teledyne Industries, Inc.
    Inventors: Earl N. Stuck, Keith D. Pigney, Howard Gifford