Patents by Inventor John D. Sneed

John D. Sneed 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).

  • Method for cleaning surface by heating and a stream of snow
    Patent number: 5354384
    Abstract: An improved apparatus and method for removing trace contaminants from the surface of a chosen substrate, such as delicate surfaces or precision parts, wherein the improvement consists of heating a portion of a chosen substrate surface immediately before, during and/or after application of a stream of cleaning snow to the same portion of the substrate surface.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: October 11, 1994
    Assignee: Hughes Aircraft Company
    Inventors: John D. Sneed, Wilfried Krone-Schmidt, Michael J. Slattery, Howard S. Bowen