Patents by Inventor Michael Grivel

Michael Grivel 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).

  • Louvered fins for heat exchanger
    Publication number: 20040173344
    Abstract: The invention concerns a louvered fin comprising an assembly of wave stems (123) alternately linked by a wave crest (121) and a wave base (122), and wherein the wave stems (123) are provided with flaps (125) cut out in said wave stems (123) and sloping at angle relative to the main undulating direction (D1). The wave stems (123), crests (121) and bases (122) form, in cross-section relative to the main undulating direction (D1), rectilinear segments, the crests and the bases being mutually parallel.
    Type: Application
    Filed: April 16, 2004
    Publication date: September 9, 2004
    Inventors: David Averous, Michael Grivel, Marc Wagner, Fabienne Chatel-Pelage, Francois Fuentes, Claire Szulman, Etienne Werlen