Patents by Inventor Patrick Feldner

Patrick Feldner 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).

  • COPPER-ZINC ALLOY
    Publication number: 20250019797
    Abstract: A copper-zinc alloy contains 66.0% to 73.0% by weight Cu, 1.5% to 2.5% by weight Si, 0.01% to 0.15% by weight P, at most 0.1% by weight Pb, balance zinc and also unavoidable impurities. The specified copper-zinc alloy is a lead-free brass alloy with improved dezincification resistance that can be produced cost-effectively indeed.
    Type: Application
    Filed: July 12, 2024
    Publication date: January 16, 2025
    Inventors: Florian Seuss, Patrick Feldner, Alexander Dehnelt
  • LEAD-FREE AND ANTIMONY-FREE BRASS ALLOY
    Publication number: 20230035864
    Abstract: A lead-free and antimony-free brass alloy contains 56 to 66% Cu, 0.1 to 1.5% Mg, less than 0.1% Pb, and a balance of Zn. Unavoidable impurities are also present. According to other embodiments, different amounts of As, P, Al, Sn, Cu, Mg, Pb, In and Zn may be provided as well.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 2, 2023
    Inventors: Florian Seuss, Patrick Feldner, Hartmut Ricken, Alexander Dehnelt