Patents by Inventor John F. Imbalzano

John F. Imbalzano 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 interacting a gas and liquid on a convoluted array of tubes
    Patent number: 5472044
    Abstract: A fluid medium such as a gas and a liquid medium are interacted within a convoluted array of tubes, wherein the liquid medium is present as "rain-fall" rather than flooding the array of tubes, with a heat transfer medium being passed through the tubes to heat or cool the liquid medium, as the case may be, to drive the mass transfer occurring in the interaction between gas and liquid medium.
    Type: Grant
    Filed: November 24, 1993
    Date of Patent: December 5, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Nelson L. Hall, John F. Imbalzano, Randall E. McCrory
  • Process for delivering radiant energy for the treatment of fluids
    Patent number: 5262066
    Abstract: A process for treating fluids with ultraviolet radiation effective to destroy microorganisms and to prevent their regrowth is described.
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: November 16, 1993
    Inventors: Charles C. Van Soye, John F. Imbalzano
  • Stable tetrafluoroethylene copolymers
    Patent number: 4743658
    Abstract: A tetrafluoroethylene/perfluoro(alkyl vinyl)ether copolymer substantially free of unstable end groups and extractable fluoride that cause corrosion of metal surfaces.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: John F. Imbalzano, Dewey L. Kerbow