Patents by Inventor Michael H. Debes

Michael H. Debes 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).

  • Filter media
    Patent number: 7138057
    Abstract: In one aspect, the invention provides an article consisting essentially of a paper layer including about 10 Wt % to about 40 Wt % of a thermoplastic polymer and an ePTFE membrane laminated to the paper layer. Preferably, the paper layer includes about 10 Wt % to about 30 Wt % of a thermoplastic polymer. More preferably, the paper layer includes about 18 Wt % to about 25 Wt % of a thermoplastic polymer. A paper layer including about 20 Wt % of a thermoplastic polymer is most preferred. In another aspect, the thermoplastic polymer may comprise poly vinyl acetate. In yet another aspect, the invention provides a filter media consisting essentially of a cellulose paper layer including about 20 Wt % poly vinyl acetate binder; and an ePTFE membrane laminated to said cellulose paper layer. In still another aspect, the invention provides a paper layer in which the paper is cellulose paper.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: November 21, 2006
    Assignee: Gore Enterprise Holdings, Inc.
    Inventors: Michael H. Debes, Richard E. Gebert
  • Automatic control system for X-ray film cassette loader and unloader apparatus
    Patent number: 4553369
    Abstract: An automatic X-ray film unloading and loading apparatus is actuated by sensing indicia on the cassette to perform various operations on the cassette and/or the film therein.
    Type: Grant
    Filed: November 18, 1983
    Date of Patent: November 19, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Michael H. Debes, Paul C. Keenan, III