Patents by Inventor Ulrich Dummler

Ulrich Dummler 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 the heating of a fluid and apparatus for carrying out the method
    Patent number: 4762166
    Abstract: A process and apparatus for heating a liquid in at least one vertically disposed externally heated tube on the inner surface of which the liquid flows in the form of a trickling film, characterized in that the internal space of the tube is kept under a gas pressure which is higher than the vapor pressure of the liquid in the trickling film.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: August 9, 1988
    Assignee: GEA Wiegand GmbH
    Inventor: Ulrich Dummler