Patents by Inventor Gilbert Duponteil

Gilbert Duponteil 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: 4770239
    Abstract: A heat exchanger comprises a cylinder and a bundle of heat exchange tubes passing through its interior heat exchange chamber for receiving a hot fluid to be cooled while circulating through the tubes from an inlet to an outlet end.
    Type: Grant
    Filed: May 13, 1987
    Date of Patent: September 13, 1988
    Assignee: Struthers Wells, S.A.
    Inventor: Gilbert Duponteil