Patents by Inventor Johannes DANNECKER

Johannes DANNECKER 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).

  • Axial ventilator having noise reducing fan wheel blades
    Patent number: 11391282
    Abstract: An axial ventilator (1) has a housing (2) and a fan wheel (3) arranged in the housing (2) to generate an axial air flow through the housing (2). The fan wheel (3) has multiple fan wheel blades (4) that extend radially outward from a hub (5) up to a respective blade tip (8). The blades extend spaced apart from an inner wall of the housing (2) via a head gap (12). The fan wheel blades (4) have boreholes (7) along the respective blade tip (8).
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: July 19, 2022
    Assignee: ebm-papst St. Georgen GmbH & Co. KG
    Inventors: Roland Keber, Tobias Sieger, Wolfgang Laufer, Jürgen Herr, Arnold Schulde, Georg Eimer, Martin Müller, Dominik Haas, Simon Hoppe, Julien Grilliat, Johannes Dannecker, Clemens Günter
  • Axial Ventilator Having Noise Reducing Fan Wheel Blades
    Publication number: 20200277962
    Abstract: An axial ventilator (1) has a housing (2) and a fan wheel (3) arranged in the housing (2) to generate an axial air flow through the housing (2). The fan wheel (3) has multiple fan wheel blades (4) that extend radially outward from a hub (5) up to a respective blade tip (8). The blades extend spaced apart from an inner wall of the housing (2) via a head gap (12). The fan wheel blades (4) have boreholes (7) along the respective blade tip (8).
    Type: Application
    Filed: February 24, 2020
    Publication date: September 3, 2020
    Inventors: Roland KEBER, Tobias SIEGER, Wolfgang LAUFER, Jürgen HERR, Arnold SCHULDE, Georg EIMER, Martin MÜLLER, Dominik HAAS, Simon HOPPE, Julien GRILLIAT, Johannes DANNECKER, Clemens GÜNTER
  • Ventilating fan
    Patent number: D972706
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: December 13, 2022
    Assignee: ebm-papst St. Georgen GmbH & Co. KG
    Inventors: Roland Keber, Tobias Sieger, Wolfgang Laufer, Jürgen Herr, Arnold Schulde, Georg Eimer, Martin Müller, Dominik Haas, Simon Hoppe, Julien Grilliat, Johannes Dannecker, Clemens Günter