Patents by Inventor Francis Bourdin

Francis Bourdin 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: 4270600
    Abstract: A system including a source of energy (for example, the solar pickup 14) and a closed circuit for a heat-carrying fluid including a storage (1, 10). The circuit provides a primary circuit (7, 13), the storage having a chamber sealed by a plurality of walls (4, 12) and a filling agent (6, 11) exhibiting a calorific capacity and thermal conductivity for heat transfer from the primary circuit to a second circuit (8) in heat exchange relation with the filling agent. The filling agent comprises a gel comprising an acrylic acid derivative.
    Type: Grant
    Filed: June 15, 1979
    Date of Patent: June 2, 1981
    Assignee: Saint-Gobain Industries
    Inventor: Francis Bourdin