Patents by Inventor Meiko Haertel

Meiko Haertel 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: 11628506
    Abstract: The invention relates to a ring-shaped tool for processing a workpiece, wherein the tool has a fastening region which is centred with its ring shape for fastening to a rotatable drive shaft, wherein the tool has cutting teeth and the teeth extend on both sides of the tool in each case from the head region of the tool in the direction of the fastening region, the teeth on one side having a right-hand twist and providing right-hand cutting, and the teeth on the other side having a right-hand twist and providing left-hand cutting.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: April 18, 2023
    Inventor: Meiko Haertel
  • Publication number: 20200306842
    Abstract: The invention relates to a ring-shaped tool for processing a workpiece, wherein the tool has a fastening region which is centred with its ring shape for fastening to a rotatable drive shaft, wherein the tool has cutting teeth and the teeth extend on both sides of the tool in each case from the head region of the tool in the direction of the fastening region, the teeth on one side having a right-hand twist and providing right-hand cutting, and the teeth on the other side having a right-hand twist and providing left-hand cutting.
    Type: Application
    Filed: March 11, 2020
    Publication date: October 1, 2020
    Inventor: Meiko HAERTEL
  • Patent number: 9481042
    Abstract: The disclosure relates to a ring-shaped tool for processing a work piece, wherein the tool has a fastening area for fastening onto a rotatable drive shaft, wherein the fastening area is centered with relation to the ring-shape of the tool, wherein the tool further has sprockets arranged around the circumference of the tool, wherein the sprockets are arranged on the head end of the tool, wherein the sprockets have an arc-shape seen in axial direction of the ring, the arc-shape having a summit, wherein the sprockets are formed in a mirror-symmetric manner relative to the ring surface of the tool which is cutting through the summit.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: November 1, 2016
    Inventor: Meiko Haertel
  • Publication number: 20150258618
    Abstract: The disclosure relates to a ring-shaped tool for processing a work piece, wherein the tool has a fastening area for fastening onto a rotatable drive shaft, wherein the fastening area is centered with relation to the ring-shape of the tool, wherein the tool further has sprockets arranged around the circumference of the tool, wherein the sprockets are arranged on the head end of the tool, wherein the sprockets have an arc-shape seen in axial direction of the ring, the arc-shape having a summit, wherein the sprockets are formed in a mirror-symmetric manner relative to the ring surface of the tool which is cutting through the summit.
    Type: Application
    Filed: October 7, 2013
    Publication date: September 17, 2015
    Inventors: Meiko Haertel, Helmut Sprenger