Patents by Inventor Leo D. Staley

Leo D. Staley 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).

  • Methods and apparatus for sanitary steam injection
    Patent number: 4614661
    Abstract: A steam injection valve for continuously injecting steam into viscous food products such as relishes, sauces, jams and jellies which are continuously pumped through a steam injection zone. The valve has a sanitary irrotational, interlocking valve stem-valve sleeve construction without substantial internal crevices and which has very low maintenance and may be readily assembled and disassembled.
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: September 30, 1986
    Assignee: Kraft, Inc.
    Inventors: Donnie R. White, David F. Hobgood, Larry E. Swim, Leo D. Staley