Patents by Inventor Toni Karvonen

Toni Karvonen 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).

  • Publication number: 20100077885
    Abstract: A method for removing impurities from a control device of a work machine and a control device. The control device (1) comprises a trackball (4), from which impurities are flushed away. Flushing medium and impurities collected below the trackball are led along a discharge channel outside the control device. The entry of impurities into a component space comprising electronics is prevented. The discharge channel has a collecting cup for collecting impurities and leading them by means of a hose to a connecting part that has a conical mating surface for receiving the hose.
    Type: Application
    Filed: February 8, 2007
    Publication date: April 1, 2010
    Applicant: Sandvik Mining and Construction Oy
    Inventor: Toni Karvonen
  • Patent number: 7642476
    Abstract: A push-button arrangement and a push-button. The push-button comprises a fastening sleeve portion having a press portion at a first end thereof and a fastening member at a second end thereof for connecting the push-button to a fastening hole in a fastening plate. The outer surface of the fastening sleeve portion is provided with at least one conical sealing surface and the fastening hole, correspondingly, with a conical counter surface.
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: January 5, 2010
    Assignee: Sandvik Mining and Construction Oy
    Inventors: Isto Virtanen, Toni Karvonen, Eero Kumanto, Martti Muranen
  • Publication number: 20090183975
    Abstract: A push-button arrangement and a push-button. The push-button comprises a fastening sleeve portion having a press portion at a first end thereof and a fastening member at a second end thereof for connecting the push-button to a fastening hole in a fastening plate. The outer surface of the fastening sleeve portion is provided with at least one conical sealing surface and the fastening hole, correspondingly, with a conical counter surface.
    Type: Application
    Filed: February 13, 2007
    Publication date: July 23, 2009
    Applicant: Sandvik Mining and Construction Oy
    Inventors: Isto Virtanen, Toni Karvonen, Eero Kumanto, Martti Muranen
  • Patent number: D553578
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: October 23, 2007
    Assignee: Sandvik Tamrock Oy
    Inventors: Isto Virtanen, Toni Karvonen, Jukka Osara, Eero Kumanto
  • Patent number: D553582
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: October 23, 2007
    Assignee: Sandvik Tamrock Oy
    Inventors: Isto Virtanen, Toni Karvonen, Jukka Osara, Eero Kumanto