Patents by Inventor Robert R. Burkhardt

Robert R. Burkhardt 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 and apparatus for drying a web of indeterminate length
    Patent number: 5167080
    Abstract: A method and apparatus are disclosed for delivering a flow of clean air to an enclosure (14) in which a web (12) is to be dried, including a fan (18) for generating a flow of contaminated air, a duct (20) for directing the flow of contaminated air into a distribution plenum (22), flow turning vanes (24) and a baffle plate (32) within the plenum for distributing the flow of contaminated air and at least one high-efficiency particulate filter (26) for filtering the contaminated air to produce a flow of clean air which is passed into the enclosure.
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: December 1, 1992
    Assignee: Eastman Kodak Company
    Inventors: Robert R. Burkhardt, Bruce M. Reid