Patents by Inventor Anna WENNBERG

Anna WENNBERG 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).

  • Drill component
    Patent number: 11047028
    Abstract: The present disclosure relates to a drill component having a martensitic stainless steel which has good corrosion resistance in combination with optimized and well-balanced mechanical properties, such as high hardness, resistance against wear and abrasion, high tensile strength and high impact toughness.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: June 29, 2021
    Assignee: Sandvik Intellectual Property AB
    Inventors: Anna Wennberg, Tomas Antonsson, Lars Nylof
  • Martensitic stainless steel
    Patent number: 10941469
    Abstract: The present disclosure relates to a martensitic stainless steel suitable for rock drill steel rods. Furthermore, the present disclosure also relates to the use of the martensitic stainless steel and to products manufactured thereof, especially drill rods.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: March 9, 2021
    Assignee: AB Sandvik Materials Technology
    Inventors: Anna Wennberg, Tomas Antonsson, Lars Nylof
  • DRILL COMPONENT
    Publication number: 20180209024
    Abstract: The present disclosure relates to a drill component having a martensitic stainless steel which has good corrosion resistance in combination with optimized and well-balanced mechanical properties, such as high hardness, resistance against wear and abrasion, high tensile strength and high impact toughness.
    Type: Application
    Filed: July 14, 2016
    Publication date: July 26, 2018
    Inventors: Anna WENNBERG, Tomas ANTONSSON, Lars NYLOF
  • MARTENSITIC STAINLESS STEEL
    Publication number: 20180209023
    Abstract: The present disclosure relates to a martensitic stainless steel suitable for rock drill steel rods. Furthermore, the present disclosure also relates to the use of the martensitic stainless steel and to products manufactured thereof, especially drill rods.
    Type: Application
    Filed: June 14, 2016
    Publication date: July 26, 2018
    Inventors: Anna WENNBERG, Tomas ANTONSSON, Lars NYLOF