Patents by Inventor Fabian GRASS

Fabian GRASS 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).

  • Publication number: 20250115019
    Abstract: A rotary press (10), in particular a rotary tablet press, includes a rotor (14) rotatable about an axis of rotation (12) and a cleaning device (16) for cleaning the rotary press (10). The cleaning device (16) includes at least one spray opening (18), in particular a plurality of spray openings (18), for spraying a cleaning agent (20). The cleaning device (16) is coupled to the rotor (14) and configured such that the spray opening (18) can be rotated about the axis of rotation (12) by rotating the rotor (14). A method for cleaning such a rotary press (10) is also described.
    Type: Application
    Filed: September 4, 2024
    Publication date: April 10, 2025
    Inventors: Werner Runft, Torsten Grass, Fabian Werner
  • Patent number: 11489384
    Abstract: An EC motor is provided having a stator, in which an armature is rotatably supported, the armature including an armature shaft, on which an armature core having a plurality of permanent magnets is held, the armature core being electrically insulated against the armature shaft with the aid of a casting compound, and a balance ring being provided on at least one axial end of the armature core, which is accommodated on the armature shaft by a central recess, a gap between the armature shaft and the central recess of the balance ring being filled with casting compound, and the permanent magnets being held in pockets of the armature core by casting compound.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: November 1, 2022
    Assignee: C&E Fein GmbH
    Inventors: Christoph Maier, Fabian Grass, Thomas Burkhardt
  • Publication number: 20210328469
    Abstract: An EC motor is provided having a stator, in which an armature is rotatably supported, the armature including an armature shaft, on which an armature core having a plurality of permanent magnets is held, the armature core being electrically insulated against the armature shaft with the aid of a casting compound, and a balance ring being provided on at least one axial end of the armature core, which is accommodated on the armature shaft by a central recess, a gap between the armature shaft and the central recess of the balance ring being filled with casting compound, and the permanent magnets being held in pockets of the armature core by casting compound.
    Type: Application
    Filed: May 5, 2021
    Publication date: October 21, 2021
    Applicant: C. & E. Fein GmbH
    Inventors: Christoph MAIER, Fabian GRASS, Thomas BURKHARDT
  • Patent number: 11114910
    Abstract: An EC motor is provided having a stator, in which an armature is rotatably supported, the armature including an armature shaft, on which an armature core having a plurality of permanent magnets is held, the armature core being electrically insulated against the armature shaft with the aid of a casting compound, and a balance ring being provided on at least one axial end of the armature core, which is accommodated on the armature shaft by a central recess, a gap between the armature shaft and the central recess of the balance ring being filled with casting compound, and the permanent magnets being held in pockets of the armature core by casting compound.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: September 7, 2021
    Assignee: C&E Fein GmbH
    Inventors: Christoph Maier, Fabian Grass, Thomas Burkhardt
  • Publication number: 20190140504
    Abstract: An EC motor is provided having a stator, in which an armature is rotatably supported, the armature including an armature shaft, on which an armature core having a plurality of permanent magnets is held, the armature core being electrically insulated against the armature shaft with the aid of a casting compound, and a balance ring being provided on at least one axial end of the armature core, which is accommodated on the armature shaft by a central recess, a gap between the armature shaft and the central recess of the balance ring being filled with casting compound, and the permanent magnets being held in pockets of the armature core by casting compound.
    Type: Application
    Filed: November 8, 2018
    Publication date: May 9, 2019
    Applicant: C. & E. Fein GmbH
    Inventors: Christoph MAIER, Fabian GRASS, Thomas BURKHARDT