Patents by Inventor Christian A. Wittke

Christian A. Wittke 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).

  • Internally ventilated brake disk rotor
    Patent number: 9115775
    Abstract: Internally vented brake disk rotors have a form of a cylindrical slab with an annular geometry and have an axis of circular symmetry for its outer circumference and its inner circumference and a center hole which is symmetric with regard to the axis. The brake disk contains at least two parallel ring disks which are connected with each other by a repeating series of ribs, the configuration of the brake disk rotor is symmetric with regard to different sense of rotation of the brake disk, i.e. symmetric to at least one plane spanned by the axis of rotation of the brake disk and one radius of the cylindrical brake disk.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: August 25, 2015
    Assignee: Brembo SGL Carbon Ceramic Brakes GmbH
    Inventors: Andreas Pipilis, Christian Wittke, Alexander Klingelhoefer, Yannick Willemin
  • INTERNALLY VENTILATED BRAKE DISK ROTOR
    Publication number: 20130284547
    Abstract: Internally vented brake disk rotors have a form of a cylindrical slab with an annular geometry and have an axis of circular symmetry for its outer circumference and its inner circumference and a center hole which is symmetric with regard to the axis. The brake disk contains at least two parallel ring disks which are connected with each other by a repeating series of ribs, the configuration of the brake disk rotor is symmetric with regard to different sense of rotation of the brake disk, i.e. symmetric to at least one plane spanned by the axis of rotation of the brake disk and one radius of the cylindrical brake disk.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 31, 2013
    Inventors: ANDREAS PIPILIS, CHRISTIAN WITTKE, ALEXANDER KLINGELHOEFER, YANNICK WILLEMIN
  • Illuminated characters of graphic symbols for external fixing to vehicles
    Patent number: 4879826
    Abstract: Illuminated characters or graphic symbols for external fixing to vehicles are constructed as active illuminating bodies and each includes a character shaped element, two deformable insulating layers and a cover formed to retain the shaped element and insulating layers together.
    Type: Grant
    Filed: November 21, 1988
    Date of Patent: November 14, 1989
    Inventor: Christian A. Wittke