Patents by Inventor Horst Pommerenke

Horst Pommerenke 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: 4249375
    Abstract: A heat exchanger for use with two media, one of which is to be heated up and the other of which is to be cooled down. The heat exchanger has an inlet and an outlet for the medium which is to be cooled down, as well as a plurality of parallel conduits which are connected between the inlet and outlet so that the medium flows through the conduits as it passes through the heat exchanger. The conduits are connected to each other such that the medium changes its direction of flow by 180.degree. at least once between the point where it enters the heat exchanger through the inlet and the point where it leaves the heat exchanger through the outlet.
    Type: Grant
    Filed: April 18, 1978
    Date of Patent: February 10, 1981
    Assignee: Volkswagenwerk Aktiengesellschaft
    Inventors: Edgard Grundmann, Udo Herbst, Horst Pommerenke