Patents by Inventor Dieter Schwald

Dieter Schwald 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).

  • Passage barrier
    Patent number: 7841133
    Abstract: A passage barrier (10) with two barrier elements (24, 26) and two mutually aligned shafts (16, 20) which are separate from each other and can be driven by separate motors (14, 22), whereby one barrier element (24, 26) is retained on each shaft (16, 20), and can be swivelled independent of the other barrier element (26, 24) by driving the corresponding shaft (16, 20).
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: November 30, 2010
    Assignee: Scheidt & Bachmann GmbH
    Inventors: Matthias Augustyniak, Dieter Schwald
  • Passage barrier
    Publication number: 20070209280
    Abstract: A passage barrier (10) with two barrier elements (24, 26) and two mutually aligned shafts (16, 20) which are separate from each other and can be driven by separate motors (14, 22), whereby one barrier element (24, 26) is retained on each shaft (16, 20), and can be swivelled independent of the other barrier element (26, 24) by driving the corresponding shaft (16, 20).
    Type: Application
    Filed: February 23, 2007
    Publication date: September 13, 2007
    Inventors: Matthias Augustyniak, Dieter Schwald