Patents by Inventor Raimund Nirwing

Raimund Nirwing 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).

  • Brush head manufacturing method
    Patent number: 8608251
    Abstract: A method of manufacturing a brush head is disclosed. The method includes the steps of providing a bristle carrier on which at least a bristle tuft including a plurality of bristles is mounted; providing a cover structure having at least an aperture; constraining the free ends of the plurality of bristles of the bristle tuft into a defined cross sectional geometry such that it fits within the cross sectional area of the aperture; moving the cover structure and the bristle carrier relative to each other until the constrained bristle tuft and the aperture are positioned in spatial alignment; and releasing the constraint while moving the cover structure into a destination position in which the bristle tuft extends through the aperture.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: December 17, 2013
    Assignee: Braun GmbH
    Inventors: Raimund Nirwing, Frank Gliemroth, Ulrich Stoerkel, Thomas Fritsch
  • Brush Head Manufacturing Method
    Publication number: 20120073070
    Abstract: A method of manufacturing a brush head is disclosed. The method includes the steps of providing a bristle carrier on which at least a bristle tuft including a plurality of bristles is mounted; providing a cover structure having at least an aperture; constraining the free ends of the plurality of bristles of the bristle tuft into a defined cross sectional geometry such that it fits within the cross sectional area of the aperture; moving the cover structure and the bristle carrier relative to each other until the constrained bristle tuft and the aperture are positioned in spatial alignment; and releasing the constraint while moving the cover structure into a destination position in which the bristle tuft extends through the aperture.
    Type: Application
    Filed: September 20, 2011
    Publication date: March 29, 2012
    Applicant: Braun GmbH
    Inventors: Raimund Nirwing, Frank Gliemroth, Ulrich Stoerkel, Thomas Fritsch