Patents by Inventor Marco Ortlieb

Marco Ortlieb 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).

  • Layer sintered valve seat ring, process for its production, combinations therewith and their use
    Patent number: 11959404
    Abstract: A layer-sintered valve seat ring is disclosed. The layer-sintered valve seat ring includes at least two materials including a function material for a tribological contact with an opposite runner and a support material for the function material. The support material includes: C: 0.5 to 1.8% by weight; Cr: 3 to 16% by weight; Mo: 1 to 5% by weight; W: 0.5 to 5.5% by weight; V: 0.4 to 4.0% by weight; Cu: 12 to 25% by weight; Fe: 41.3 to 82.6% by weight; Mn: up to 0.6% by weight; Si: up to 1.8% by weight; and a remainder of production-related contamination in the form of at least one of Ni, Co, Ca, P, and S that are present in contents of <0.3% by weight each.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: April 16, 2024
    Assignee: Mahle International GmbH
    Inventors: Andreas Gutmann, Marco Ortlieb, Patrick Sutter, Klaus Wintrich
  • LAYER SINTERED VALVE SEAT RING, PROCESS FOR ITS PRODUCTION, COMBINATIONS THEREWITH AND THEIR USE
    Publication number: 20230084759
    Abstract: A layer-sintered valve seat ring is disclosed. The layer-sintered valve seat ring includes at least two materials including a function material for a tribological contact with an opposite runner and a support material for the function material. The support material includes: C: 0.5 to 1.8% by weight; Cr: 3 to 16% by weight; Mo: 1 to 5% by weight; W: 0.5 to 5.5% by weight; V: 0.4 to 4.0% by weight; Cu: 12 to 25% by weight; Fe: 41.3 to 82.6% by weight; Mn: up to 0.6% by weight; Si: up to 1.8% by weight; and a remainder of production-related contamination in the form of at least one of Ni, Co, Ca, P, and S that are present in contents of <0.3% by weight each.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 16, 2023
    Inventors: Andreas Gutmann, Marco Ortlieb, Patrick Sutter, Klaus Wintrich