Patents by Inventor Fabien Betelle

Fabien Betelle 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).

  • Electrically controllable controllable device having variable optical and/or energetic properties
    Publication number: 20040233499
    Abstract: The subject of the invention is an electrically controllable device having variable optical and/or energy properties of the electrochromic type, which comprises a functional film consisting of a layer or a stack of layers which is placed between two external substrates which meet the following criteria:
    Type: Application
    Filed: June 4, 2004
    Publication date: November 25, 2004
    Inventors: Fabien Betelle, Samuel Dubrenat, Jean-Christopher Giron