Patents by Inventor Ylva Trogen

Ylva Trogen 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).

  • Lead free free-cutting steel
    Patent number: 9238856
    Abstract: A lead free free-cutting steel is described having the following composition in percent by weight: C 0.85-1.2 Si 0.1-0.6 Mn 0.4-1.2 P max 0.05 S 0.04-0.3 Cr max 2 Ni max 1 Mo max 0.5 Cu max 2 Al max 0.1 B max 0.008 Bi+Se+Te max 0.005 Ti+Nb+Zr+V max 0.2 balance Fe and normally occurring impurities. The steel is mainly intended for small/thin dimensions and/or low cutting speeds during manufacture of a product formed of the steel.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: January 19, 2016
    Assignee: Sandvik Intellectual Property AB
    Inventors: Mattias Sandström, Ylva Trogen, Lars Karlsson
  • LEAD FREE FREE-CUTTING STEEL AND ITS USE
    Publication number: 20130294961
    Abstract: A lead free free-cutting steel is described having the following composition in percent by weight: C 0.85-1.2 Si 0.1-0.6 Mn 0.4-1.2 P max 0.05 S 0.04-0.3 Cr max 2 Ni max 1 Mo max 0.5 Cu max 2 Al max 0.1 B max 0.008 Bi+Se+Te max 0.005 Ti+Nb+Zr+V max 0.2 balance Fe and normally occurring impurities. The steel is mainly intended for small/thin dimensions and/or low cutting speeds during manufacture of a product formed of the steel.
    Type: Application
    Filed: July 3, 2013
    Publication date: November 7, 2013
    Inventors: Mattias SANDSTRÖM, Ylva TROGEN, Lars KARLSSON
  • Lead free free-cutting steel and its use
    Patent number: 8540934
    Abstract: A lead free free-cutting steel is described having the following composition in percent by weight: C 0.85-1.2 Si 0.1-0.6 Mn 0.4-1.2 P max 0.05 S 0.04-0.3 Cr max 2 Ni max 1 Mo max 0.5 Cu max 2 Al max 0.1 B max 0.008 Bi+Se+Te max 0.005 Ti+Nb+Zr+V max 0.2 balance Fe and normally occurring impurities. The steel is mainly intended for small/thin dimensions and/or low cutting speeds during manufacture of a product formed of the steel.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: September 24, 2013
    Assignee: Sandvik Intellectual Property AB
    Inventors: Mattias Sandström, Ylva Trogen, Lars Karlsson
  • LEAD FREE FREE-CUTTING STEEL AND ITS USE
    Publication number: 20100143179
    Abstract: A lead free free-cutting steel is described having the following composition in percent by weight: C 0.85-1.2 Si 0.1-0.6 Mn 0.4-1.2 P max 0.05 S 0.04-0.3 Cr max 2 Ni max 1 Mo max 0.5 Cu max 2 Al max 0.1 B max 0.008 Bi+Se+Te max 0.005 Ti+Nb+Zr+V max 0.2 balance Fe and normally occurring impurities. The steel is mainly intended for small/thin dimensions and/or low cutting speeds during manufacture of a product formed of the steel.
    Type: Application
    Filed: January 24, 2008
    Publication date: June 10, 2010
    Inventors: Mattias Sandström, Ylva Trogen, Lars Karlsson
  • FERRITIC STAINLESS STEEL ALLOY
    Publication number: 20090053092
    Abstract: The application describes a lead-free ferritic stainless steel alloy having the following composition, all contents given in percent by weight: C ?0.1 Si ?2 Mn 0.1-2 S 0.08-0.4? Cr 16-25 Ni ?2 Mo 1-5 Cu 0.01-3.0? Ca ?0.006 Sn ?0.15 B ?0.02 X 0.01-0.5 and/or REM 0.01-1 the balance Fe as well as impurities, where X is 2 * Te + 1 * Se + 1 * Bi. The alloy has good machinability and good corrosion resistance, in comparison with the corresponding alloys containing lead.
    Type: Application
    Filed: June 15, 2005
    Publication date: February 26, 2009
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Mattias Sandstrom, Anna Heedman, Ylva Trogen