Patents by Inventor Jean-Claude Geoffroy

Jean-Claude Geoffroy 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).

  • Patent number: 4293029
    Abstract: A heat control device for a space heated primarily by means of a heat pump and having an auxiliary makeup heater comprises a room temperature measurement circuit (100), a makeup heat control circuit (200), a current control circuit (500) of a heat pump, and a measurement circuit (600) of the temperature of the exchange fluid of the pump whose information is transmitted both to the circuit (200) and to the circuit (300).Application to household heating.
    Type: Grant
    Filed: July 24, 1979
    Date of Patent: October 6, 1981
    Assignee: Saft-Societe des Accumulateurs Fixes et de Traction
    Inventors: Pierre Godard, Jean-Claude Geoffroy