Patents by Inventor Anja Appelqvist

Anja Appelqvist 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).

  • Biocatalytic direct alcohol fuel cell
    Patent number: 7384701
    Abstract: The invention relates to a biocatalytic direct alcohol fuel cell comprising an anode chamber, one or more cathode chambers, and an ion exchange membrane between the chambers. The anode chamber contains a biocatalyst for oxidation of the fuel, and the cathode chamber contains a chemical catalyst, a biocatalyst or a combination thereof for reduction of oxygen or a corresponding oxidant.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: June 10, 2008
    Assignee: Enfucell Oy
    Inventors: Aarne Halme, Matti Korhola, Anja Appelqvist, Jussi Suomela, Xia-Chang Zhang