Patents by Inventor Stefan Rochau

Stefan Rochau 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).

  • Pneumatic motor vehicle seat with stabilized static height
    Patent number: 6616116
    Abstract: A pneumatic motor vehicle seat, whose static height is held constant independently of the weight of the respective seat occupant. The inventive device provides a magnetically actuated air valve (16) which is enclosed 20 in a plastic valve housing for aerating and deaerating the pneumatic valve. The air valve is controlled by an external permanent magnet and according operates, quietly, cleanly and with little wear. Also a motor vehicle seat includes an integrated height adjustment mechanism, comprising a control system which automatically and simultaneously dampens the vehicle seat vibrations to a maximum, whilst the static height is being adjusted.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: September 9, 2003
    Assignee: Isringhausen GmbH & Co. KG
    Inventors: Stefan Rochau, Reiner Lieker