Patents by Inventor Surya Kumar Pathak

Surya Kumar Pathak 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).

  • Apparatus and method for heating objects with microwaves
    Patent number: 7119313
    Abstract: Apparatus for pasteurizing and/or sterilizing foodstuffs. In one representative embodiment, an apparatus for pasteurizing or sterilizing a packaged foodstuff includes at least one cavity in which the foodstuff to be pasteurized or sterilized is positioned. The cavity is configured such that, as microwave energy radiates into the cavity, the cavity operates as a single-mode cavity for sterilizing or pasteurizing the foodstuff. In another embodiment, methods are provided for optimizing a microwave system for sterilizing or pasteurizing a foodstuff.
    Type: Grant
    Filed: September 8, 2004
    Date of Patent: October 10, 2006
    Assignee: Washington State University Research Foundation
    Inventors: Juming Tang, Fang Liu, Surya Kumar Pathak, Eugene E. Eves, II