Patents by Inventor Thomas Stehli

Thomas Stehli 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 power steering with a closed center
    Patent number: 6250416
    Abstract: A closed-center hydraulic power steering system includes a rechargeable hydraulic pressure accumulator being capable of being connected to a servomotor via controllable pressure-reducing valves which control the motor pressure according to a desired value predetermined by a control device, a connection also being made, if required, between the motor and a relatively pressureless reservoir.
    Type: Grant
    Filed: August 9, 2000
    Date of Patent: June 26, 2001
    Assignee: Meredes-Benz Lenkungen GmbH
    Inventors: Albrecht Pluschke, Thomas Stehli