Patents by Inventor Jörg KIRCHHOF

Jörg KIRCHHOF 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).

  • REFRIGERATION CIRCUIT WITH PRESSURE EQUALIZATION BETWEEN MULTIPLE CONDENSERS
    Publication number: 20220363109
    Abstract: The invention relates to a refrigerant circuit (1), in particular for use in a vehicle, preferably a motor vehicle, comprising: an air conditioning compressor (2), a main condenser (4), at least one connectable condenser (5), and a switching means (3) which is designed to connect one or more of the switchable condensers (5) to the refrigerant circuit (1), wherein a pressure equalising means (6) is configured to equalise an internal pressure of the at least one connectable condenser (5) with an internal pressure of the main condenser (4).
    Type: Application
    Filed: September 3, 2019
    Publication date: November 17, 2022
    Inventors: Adrian ZIMMERMANN, Walter ZIPP, Jörg KIRCHHOF, Andreas INHOFF
  • Apparatus for converting solar energy into electrical energy and for radiating and/or receiving high frequency electromagnetic waves
    Patent number: 6395971
    Abstract: An apparatus (1) for converting solar energy into electrical energy and for radiating and/or receiving high frequency electromagnetic waves is described. The apparatus (1) includes at least one solar cell (2) provided with electrodes in the form of electrically conducting contacts, wherein at least one of the contacts of the solar cell at the same time forms an antenna element.
    Type: Grant
    Filed: August 9, 2000
    Date of Patent: May 28, 2002
    Assignee: Institut Fuer Solare Energieversorgungstechnik (ISET) Verein an der Universitaet Gesamthochschule Kassel e.V.
    Inventors: Christian Bendel, Norbert Henze, Joerg Kirchhof