Patents by Inventor Henning BÄHREN

Henning BÄHREN 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).

  • Patent number: 9810234
    Abstract: A fan impeller for the conveyance of a gaseous fluid includes several blades arranged with constant angular spacing around a rotation axis. At least one blade has a boundary zone and an inner zone, together with a bead extending between them along a curved path and/or the boundary zone is determined by a first blade surface and the inner zone is determined by a second blade surface, which are arranged with varying geometry.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: November 7, 2017
    Assignee: Punker GmbH
    Inventors: Henning Bähren, Christian Hornhardt, Matthias Wolf, Yingan Xia
  • Publication number: 20150071782
    Abstract: A fan impeller for the conveyance of a gaseous fluid includes several blades arranged with constant angular spacing around a rotation axis. At least one blade has a boundary zone and an inner zone, together with a bead extending between them along a curved path and/or the boundary zone is determined by a first blade surface and the inner zone is determined by a second blade surface, which are arranged with varying geometry.
    Type: Application
    Filed: September 10, 2014
    Publication date: March 12, 2015
    Inventors: Henning BÄHREN, Christian HORNHARDT, Matthias WOLF, Yingan XIA