Patents by Inventor Willibald Engelhard

Willibald Engelhard 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).

  • Parking brake system for motor vehicles
    Patent number: 6447074
    Abstract: A parking brake system for a motor vehicle has a control for activating the parking brake, an electrical parking brake control unit for controlling braking devices which are assigned to the parking brake, a brake booster function control unit for controlling brake booster functions which promote traveling comfort and safety. When the control is activated at a vehicle velocity above a predefined minimum velocity, the braking devices assigned to the service brake are controlled by the brake booster function control unit.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: September 10, 2002
    Assignee: Siemens Aktiengesellschaft
    Inventor: Willibald Engelhard
  • Parking brake system for motor vehicles
    Publication number: 20010023799
    Abstract: A parking brake system for a motor vehicle has a control for activating the parking brake, an electrical parking brake control unit for controlling braking devices which are assigned to the parking brake, a brake booster function control unit for controlling brake booster functions which promote traveling comfort and safety. When the control is activated at a vehicle velocity above a predefined minimum velocity, the braking devices assigned to the service brake are controlled by the brake booster function control unit.
    Type: Application
    Filed: February 15, 2001
    Publication date: September 27, 2001
    Inventor: Willibald Engelhard