Patents by Inventor Wolfgang Benckendorff

Wolfgang Benckendorff 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).

  • Security alarm system
    Patent number: 4274086
    Abstract: In an alarm system, differently colored leads of the connection cable between the individual distributors are respectively assigned to different current paths according to a random sequence. By providing this association, targeted manipulations at the connection lines of the signal lines are prevented.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: June 16, 1981
    Assignee: Siemens Aktiengesellschaft
    Inventors: Wolfgang Benckendorff, Hans Kubler