Patents by Inventor Sandra Duden

Sandra Duden 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: 20060144200
    Abstract: The invention relates to a cutting ring (1) for disk rolls pertaining to partial and/or full cutting machines. Said cutting ring comprises a base ring (2) consisting of steel or a similar material, and a closed hard metal ring (3) which is arranged on the outer envelope (4) of the base ring (2) and is formed from a plurality of adjacently arranged hard metal partial segments (14) arranged on the outer envelope of the base ring (2), in the peripheral direction of the same. The aim of the invention is to create a high-quality, resistant cutting ring (1) at a comparatively low cost.
    Type: Application
    Filed: November 14, 2003
    Publication date: July 6, 2006
    Inventor: Sandra Duden