Patents by Inventor Sonny Ek

Sonny Ek 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).

  • Patent number: 11534768
    Abstract: A gyratory crusher topshell having an annular shell wall that is strengthened to minimize stress concentrations and increase the topshell operational lifetime. The topshell includes spider arms that are structurally reinforced at their radially inner regions and also has an annular wall that is reinforced at regions immediately below the spider arms to further increase strength and facilitate casting.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: December 27, 2022
    Assignee: SANDVIK SRP AB
    Inventors: Jan Johansson, Michael Skog, Sonny Ek, Magnus Fredriksson
  • Patent number: 11534769
    Abstract: A gyratory crusher bottomshell and inspection hatch assembly is attachable exclusively to the bottomshell via a wear plate positioned at an internal region of the bottomshell. A wall thickness of the bottomshell at a border region immediately surrounding the hatch opening is generally equal to or less than a wall thickness over a remainder region of the wall at the same axial height position of the hatch opening.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: December 27, 2022
    Assignee: SANDVIK SRP AB
    Inventors: Michael Skog, Adrien Henssien, Sonny Ek, Mikael Larsson, Magnus Fredriksson, Jan Johansson
  • Publication number: 20210046484
    Abstract: A gyratory crusher bottomshell and inspection hatch assembly is attachable exclusively to the bottomshell via a wear plate positioned at an internal region of the bottomshell. A wall thickness of the bottomshell at a border region immediately surrounding the hatch opening is generally equal to or less than a wall thickness over a remainder region of the wall at the same axial height position of the hatch opening.
    Type: Application
    Filed: January 31, 2018
    Publication date: February 18, 2021
    Inventors: Michael SKOG, Adrien HENSSIEN, Sonny EK, Mikael LARSSON, Magnus FREDRIKSSON, Jan JOHANSSON
  • Publication number: 20210046483
    Abstract: A gyratory crusher topshell having an annular shell wall that is strengthened to minimize stress concentrations and increase the topshell operational lifetime. The topshell includes spider arms that are structurally reinforced at their radially inner regions and also has an annular wall that is reinforced at regions immediately below the spider arms to further increase strength and facilitate casting.
    Type: Application
    Filed: January 31, 2018
    Publication date: February 18, 2021
    Inventors: Jan JOHANSSON, Michael SKOG, Sonny EK, Magnus FREDRIKSSON
  • Patent number: D871464
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 31, 2019
    Assignee: Sandvik SRP AB
    Inventors: Anders Hallberg, Sonny Ek, Jan Johansson