Patents by Inventor Jarkko Ruotsalainen

Jarkko Ruotsalainen 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).

  • Cast and a shaft assembly for a disc screen
    Patent number: 11896999
    Abstract: The invention relates to a cast and adjacent casts on a shaft for providing a shaft assembly for a disc screen. A cast which is placeable on a shaft for a disc screen comprises a screening element part with an integral sleeve part. The shaft assembly for a disc screen comprises casts placed on the shaft, each cast comprising a screening element part and an integral sleeve part, the casts being placed against each other so that abutting screening element parts of two adjacent casts constitute a screening element, and abutting sleeve parts of two adjacent casts constitute a sleeve element on the shaft.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: February 13, 2024
    Assignee: TANA OY
    Inventors: Jarkko Ruotsalainen, Kari Rautakoski
  • Screen module and a screen comprising screen modules
    Patent number: 11759824
    Abstract: A screen according to the invention comprises replaceable screen modules A screen module are detachable from the screen as well as replaceable and attachable to the screen. According to an aspect of the invention, the screen comprises a frame and one or more screen modules which are detachable from the frame of the screen, attachable to the frame of the screen, and/or replaceable.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: September 19, 2023
    Assignee: TANA OY
    Inventors: Kari Rautakoski, Eetu Tuovinen, Jarkko Ruotsalainen
  • A CAST AND A SHAFT ASSEMBLY FOR A DISC SCREEN
    Publication number: 20220314279
    Abstract: The invention relates to a cast and adjacent casts on a shaft for providing a shaft assembly for a disc screen. A cast which is placeable on a shaft for a disc screen comprises a screening element part with an integral sleeve part. The shaft assembly for a disc screen comprises casts placed on the shaft, each cast comprising a screening element part and an integral sleeve part, the casts being placed against each other so that abutting screening element parts of two adjacent casts constitute a screening element, and abutting sleeve parts of two adjacent casts constitute a sleeve element on the shaft.
    Type: Application
    Filed: June 18, 2020
    Publication date: October 6, 2022
    Applicant: Tana Oy
    Inventors: Jarkko Ruotsalainen, Kari Rautakoski
  • A SCREEN MODULE AND A SCREEN COMPRISING SCREEN MODULES
    Publication number: 20220250120
    Abstract: A screen according to the invention comprises replaceable screen modules A screen module are detachable from the screen as well as replaceable and attachable to the screen. According to an aspect of the invention, the screen comprises a frame and one or more screen modules which are detachable from the frame of the screen, attachable to the frame of the screen, and/or replaceable.
    Type: Application
    Filed: July 8, 2020
    Publication date: August 11, 2022
    Applicant: Tana Oy
    Inventors: Kari Rautakoski, Eetu Tuovinen, Jarkko Ruotsalainen