Patents by Inventor Ingolf WIEGNER

Ingolf WIEGNER 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).

  • THREE LAYER GRINDING WHEEL
    Publication number: 20220176517
    Abstract: A multilayer circular grinding wheel includes at least three substantially planar layers including an inner layer and two outer layers immediately adjacent to the inner layer, of which at least the inner layer has a proportion of diamond abrasive grit, the proportion of diamond in the abrasive grit being greater in the inner layer than in the outer layers.
    Type: Application
    Filed: February 23, 2022
    Publication date: June 9, 2022
    Inventors: Ingolf WIEGNER, Peter REHLICH, Karsten KORSCHELT, Marco WEBER