Patents by Inventor Peter Peistrup

Peter Peistrup 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).

  • Hydraulic steering arrangement
    Patent number: 6581717
    Abstract: A hydraulic steering arrangement with a steering handwheel which is connected with a hydraulic steering unit, and with a steering motor connected with a pump via a steering valve. In a steering arrangement of this kind, a simple construction is desired, though under maintenance of the required security. For this purpose, the steering valve can optionally be operated by a steering handwheel or by a hydraulic pressure generated by a control pressure generator.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: June 24, 2003
    Assignee: Sauer Danfoss Holding A/S
    Inventors: Ole Vincentz Sørensen, John Børsting, Lars Mortensen, John Kristensen, Peter Peistrup