Patents by Inventor Eero Kumanto

Eero Kumanto 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).

  • Push-button arrangement and push-button
    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
  • PUSH-BUTTON ARRANGEMENT AND PUSH-BUTTON
    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
  • Part of a user interface of a drilling machine
    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
  • Part of a user interface of a drilling machine
    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