Patents by Inventor David Ilgert

David Ilgert 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).

  • Mixer drum drive with additional pump
    Patent number: 12472661
    Abstract: A vehicle includes an engine, an electric energy system, a drum configured to mix drum contents received therein, and a drum drive system coupled to the drum and the engine. The drum drive system includes a primary pump, an electric motor powered by the electric energy system, an auxiliary pump fluidly coupled to the mechanical pump and powered by the electric motor, and a drum motor fluidly coupled to the primary pump and the auxiliary pump and positioned to drive the drum to agitate the drum contents.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: November 18, 2025
    Assignee: Oshkosh Corporation
    Inventors: Bryan Datema, David Ilgert, Robert Varao, Yanming Hou
  • MIXER DRUM DRIVE WITH ADDITIONAL PUMP
    Publication number: 20210237312
    Abstract: A vehicle includes an engine, an electric energy system, a drum configured to mix drum contents received therein, and a drum drive system coupled to the drum and the engine. The drum drive system includes a primary pump, an electric motor powered by the electric energy system, an auxiliary pump fluidly coupled to the mechanical pump and powered by the electric motor, and a drum motor fluidly coupled to the primary pump and the auxiliary pump and positioned to drive the drum to agitate the drum contents.
    Type: Application
    Filed: January 26, 2021
    Publication date: August 5, 2021
    Applicant: Oshkosh Corporation
    Inventors: Bryan Datema, David Ilgert, Robert Varao, Yanming Hou
  • Wheel bearing unit embodied as an angular contact ball bearing
    Patent number: 7547147
    Abstract: A wheel bearing unit (1) is embodied in a four-rowed angular contact ball bearing form.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: June 16, 2009
    Assignee: Fag Kugelfischer AG
    Inventors: Peter Niebling, Heinrich Hofmann, Darius Dlugai, Jens Heim, David Ilgert
  • System for securing a roller bearing in axial directions
    Patent number: 7374345
    Abstract: System (1, 8, 20, 25, 30) for the securing of a roller bearing (2) in axial directions relative to a cylindrical seat (3), the system (1, 8, 20, 25, 30) with at least one first circumferential groove (4) of the seat (3) and with at least one securing ring (7, 19, 21, 22, 23), in which the securing ring (7, 19, 21, 22, 23) adjoins with a disk-form section (26, 27, 28, 29, 31) an axially outer side of a first bearing ring (10) of the roller bearing (2) and in which the securing ring (7, 19, 21, 22, 23) comprises elastically flexible first securing clips (11), projecting from the securing ring (7, 19, 21, 22, 23), which engage the circumferential groove (4).
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: May 20, 2008
    Assignee: FAG Kugelfischer AG
    Inventors: Dorin Ilie, David Ilgert, Michael Claassen
  • Wheel bearing unit embodied as an angular contact ball bearing
    Publication number: 20070104404
    Abstract: A wheel bearing unit is embodied in a four-rowed angular contact ball bearing form.
    Type: Application
    Filed: July 9, 2004
    Publication date: May 10, 2007
    Inventors: Peter Niebling, Heinrich Hofmann, Darius Dlugai, Jens Heim, David Ilgert
  • System for securing a roller bearing in axial directions
    Publication number: 20050191002
    Abstract: System (1, 8, 20, 25, 30) for the securing of a roller bearing (2) in axial directions relative to a cylindrical seat (3), the system (1, 8, 20, 25, 30) with at least one first circumferential groove (4) of the seat (3) and with at least one securing ring (7, 19, 21, 22, 23), in which the securing ring (7, 19, 21, 22, 23) adjoins with a disk-form section (26, 27, 28, 29, 31) an axially outer side of a first bearing ring (10) of the roller bearing (2) and in which the securing ring (7, 19, 21, 22, 23) comprises elastically flexible first securing clips (11), projecting from the securing ring (7, 19, 21, 22, 23), which engage the circumferential groove (4).
    Type: Application
    Filed: October 27, 2004
    Publication date: September 1, 2005
    Inventors: Dorin Ilie, David Ilgert, Michael Claassen