Patents by Inventor Andreas Bollinger

Andreas Bollinger 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).

  • Ventilation device for a space zone
    Patent number: 5690165
    Abstract: The invention relates to a ventilation device. Provision is made that the air propulsion plant (20) conveys at least a portion of the air in an air circulating mode by means of at least one variable volume chamber (6) in a pulsating manner at a very low frequency, with the chamber being connected to the room (2) by at least one air passage (21).
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: November 25, 1997
    Assignee: LTG Lufttechnische GmbH
    Inventors: Hans-Werner Roth, Andreas Bollinger, Gerd-Eugen Schaal, Claus Handel