Patents by Inventor Julia Heilemann

Julia Heilemann 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 alloy, semifinished product and electrical connecting element comprising a copper alloy
    Patent number: 12662720
    Abstract: The composition of a copper alloy is as follows: Sn: 3.0-6.5%; Ni: 0.30-0.70%; P: 0.15-0.40%; S: 0.10-0.40%; Zn: optionally up to 0.20%; Fe: optionally up to 0.50%; Mn: optionally up to 0.50%; Pb: optionally up to 0.25%, with the balance being copper and unavoidable impurities. The ratio of fraction of Ni to fraction of P is at least 1.1 and at most 2.8, and the alloy include nickel phosphides.
    Type: Grant
    Filed: February 2, 2024
    Date of Patent: June 23, 2026
    Assignee: WIELAND-WERKE AG
    Inventors: Patrick Schober, Julia Heilemann, Timo Allmendinger, Matthias Nöhrer
  • COPPER ALLOY, SEMIFINISHED PRODUCT AND ELECTRICAL CONNECTING ELEMENT COMPRISING A COPPER ALLOY
    Publication number: 20240263276
    Abstract: The composition of a copper alloy is as follows: Sn: 3.0-6.5%; Ni: 0.30-0.70%; P: 0.15-0.40%; S: 0.10-0.40%; Zn: optionally up to 0.20%; Fe: optionally up to 0.50%; Mn: optionally up to 0.50%; Pb: optionally up to 0.25%, with the balance being copper and unavoidable impurities. The ratio of fraction of Ni to fraction of P is at least 1.1 and at most 2.8, and the alloy include nickel phosphides.
    Type: Application
    Filed: February 2, 2024
    Publication date: August 8, 2024
    Inventors: Patrick SCHOBER, Julia Heilemann, Timo ALLMENDINGER, Matthias NÖHRER