Patents by Inventor Nancy Gratzke

Nancy Gratzke 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: 20220363915
    Abstract: In an embodiment a layer system includes a substrate with an anti-fog material on at least one surface, a water-permeable intermediate layer arranged on the surface and a water-permeable nanostructure including a plurality of pillars arranged side by side, the water-permeable nanostructure arranged on the water-permeable intermediate layer.
    Type: Application
    Filed: May 10, 2022
    Publication date: November 17, 2022
    Inventors: Ulrike Schulz, Friedrich Rickelt, Anne Gärtner, Nancy Gratzke, Sven Schröder
  • Publication number: 20220018993
    Abstract: In an embodiment a layer system includes an effective refractive index profile extending between a substrate-side surface and an interface with an ambient medium, wherein an effective refractive index of the layer system decreases on average from the substrate-side surface in a direction of the interface with the ambient medium, wherein the effective refractive index profile has at least two local minima, and wherein a local minimum closest to the interface with the ambient medium is spaced from the interface.
    Type: Application
    Filed: July 8, 2021
    Publication date: January 20, 2022
    Inventors: Ulrike Schulz, Friedrich Rickelt, Peter Munzert, Anne Gärtner, Nancy Gratzke, Kevin Füchsel