Patents by Inventor Marcel Filoche

Marcel Filoche 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: 7308965
    Abstract: A noise-absorbing device includes a substantially flat base and embossed and/or hollow elements each including at least one recess. This base reveals with the embossed and/or hollow elements, a configuration exhibiting a fractality zone of between 1 cm and 50 cm, of fractal dimension greater than 2.5 enabling the localization of the waves over the sound frequency range, in the vicinity of the elements.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: December 18, 2007
    Assignees: Ecole Polytechnique, Colas
    Inventors: Bernard Sapoval, Marcel Filoche, Michel Chappat, Didier Peyrard
  • Publication number: 20050103568
    Abstract: A noise-absorbing device includes a substantially flat base and embossed and/or hollow elements (1) each including at least one recess (2). This base reveals with the embossed and/or hollow elements (1), a configuration exhibiting a fractility zone of between 1 cm and 50 cm, of fractile size greater than 2.5 enabling the localization of the waves over the sound frequency range, in the vicinity of the elements (1).
    Type: Application
    Filed: March 19, 2003
    Publication date: May 19, 2005
    Inventors: Bernard Sapoval, Marcel Filoche, Michel Chappat, Didier Peyrard