Patents by Inventor Eva Sjöqvist Persson

Eva Sjöqvist Persson 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).

  • STAINLESS STEEL
    Publication number: 20230193437
    Abstract: A plastic forming mold made from a stainless steel, having in weight % (wt. %): C 0.32-0.50, Si 0.1-1.0, Mn 0.1-0.8, Cr 11-14, Mo 1.8-2.6, V 0.35-0.70, N 0.05-0.19, optional elements, and a balance of Fe apart from impurities. The stainless steel is hardened and tempered and has a matrix comprising ?90 vol. % martensite.
    Type: Application
    Filed: February 21, 2023
    Publication date: June 22, 2023
    Inventors: Magnus Tidesten, Eva Sjöqvist Persson, Magnus Brännbacka
  • Stainless steel
    Patent number: 11591678
    Abstract: The invention relates to a stainless steel. The stainless steel consists of in weight % (wt. %): C 0.32-0.50 Si 0.1-1.0 Mn 0.1-0.8 Cr11-14 Mo 1.8-2.6 V 0.35-0.70 N 0.05-0.19 optional elements, balance Fe and impurities.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: February 28, 2023
    Assignee: UDDEHOLMS AB
    Inventors: Magnus Tidesten, Eva Sjöqvist Persson, Magnus Brännbacka
  • STAINLESS STEEL
    Publication number: 20200232076
    Abstract: The invention relates to a stainless steel. The stainless steel consists of in weight % (wt. %): C 0.32-0.50 Si 0.1-1.0 Mn 0.1-0.8 Cr11-14 Mo 1.8-2.6 V 0.35-0.70 N 0.05-0.19 optional elements, balance Fe and impurities.
    Type: Application
    Filed: October 4, 2018
    Publication date: July 23, 2020
    Inventors: Magnus Tidesten, Eva Sjöqvist Persson, Magnus Brännbacka