Patents by Inventor Daniel Nyfeler

Daniel Nyfeler 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).

  • Method for rendering a gemstone traceable
    Patent number: 11103036
    Abstract: A method for rendering a gemstone traceable, includes the steps: providing an invisible marker, wherein the marker is unambiguously identifiable, fastening the marker in a placement location of the gemstone, and acquiring marking information that includes that this unambiguously identifiable marker is fastened to this gemstone. The marker can be transported to the placement location in a manner in which it is suspended in a carrier fluid. An additive, for example a primer or a starting material for a surface coating of at least a part surface of the placement location, can be added to the carrier fluid.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: August 31, 2021
    Assignee: GÜBELIN GEM LAB LTD.
    Inventors: Daniel Nyfeler, Klemens Link
  • A METHOD FOR RENDERING A GEMSTONE TRACEABLE
    Publication number: 20190365063
    Abstract: A method for rendering a gemstone traceable, includes the steps: providing an invisible marker, wherein the marker is unambiguously identifiable, fastening the marker in a placement location of the gemstone, and acquiring marking information that includes that this unambiguously identifiable marker is fastened to this gemstone. The marker can be transported to the placement location in a manner in which it is suspended in a carrier fluid. An additive, for example a primer or a starting material for a surface coating of at least a part surface of the placement location, can be added to the carrier fluid.
    Type: Application
    Filed: March 2, 2018
    Publication date: December 5, 2019
    Inventors: Daniel Nyfeler, Klemens Link