Patents by Inventor Christian Thürnau

Christian Thürnau 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).

  • Window shade with coil spring drive
    Patent number: 7694712
    Abstract: A window shade arrangement for a motor vehicle is provided that contains a housing in which a winding shaft is rotatably supported. A strip shaped shade element is fixed on the winding shaft. The cover of the window shade housing is formed by a spring housing. A coil spring for tensioning the winding shaft in the wind up direction of the strip shaped shade is seated in the spring housing. The spring housing, the spring seated therein and a coupling shaft form a preassembled unit.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: April 13, 2010
    Assignee: BOS GmbH & Co. KG
    Inventors: Danja Schimko, Melf Hansen, Christian Thürnau