Patents by Inventor Hans-Peter Vollrath

Hans-Peter Vollrath 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).

  • Heat exchanger
    Patent number: 4619317
    Abstract: The heat exchanger comprises a support frame, a feed line, a header for forward flow, heat exchange tubes, a header for the return flow and a discharge line for the heat exchange medium. The heat exchange tubes are here helical capillary tubes. They are fixed interlocking one another by means of connecting elements. The ends of the heat exchange capillaries lead into the forward flow header and into the return flow header for the heat exchange medium.
    Type: Grant
    Filed: June 6, 1984
    Date of Patent: October 28, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Dieter Disselbeck, Hans-Peter Vollrath