Patents by Inventor Thomas Greif

Thomas Greif 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).

  • Motor vehicle with a tailgate
    Patent number: 6676186
    Abstract: A vehicle with a tailgate (5) or the like, the vehicle being defined in that the tailgate (5) has a sensor for sensing objects at least during the opening operation.
    Type: Grant
    Filed: June 26, 1999
    Date of Patent: January 13, 2004
    Assignee: Mannesmann VDO AG
    Inventor: Thomas Greif
  • Navigation system with automatic change of data medium
    Patent number: 6438489
    Abstract: A navigation system for journeys beyond national borders in which the data medium needs to be changed includes a reader designed to hold a plurality of changeable data media and to read data selectively from one of the data media. The navigation system also includes means for selecting a data medium on the basis of the vehicle position. Hence, when a national border is crossed, the navigation system will automatically change the data medium, which means that continuous navigation is ensured without any action from the user.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: August 20, 2002
    Assignee: Mannesmann VDO AG
    Inventor: Thomas Greif
  • MOTOR VEHICLE WITH A TAILGATE
    Publication number: 20010042989
    Abstract: The invention relates to a vehicle with a tailgate (5) or the like, the vehicle being defined in that the tailgate (5) has means for sensing objects at least during the opening operation.
    Type: Application
    Filed: June 26, 1999
    Publication date: November 22, 2001
    Inventor: THOMAS GREIF