Patents by Inventor John Arild Ostevik

John Arild Ostevik 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).

  • Plug device
    Patent number: 8376044
    Abstract: A plug device for closing of a pipe bore where the plug comprises an exterior sleeve formed in a flexible material, and a setting mechanism, and where the setting mechanism comprises wedges which between their passive position and their active position are displaced along a curved path.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: February 19, 2013
    Assignee: Aker Well Service AS
    Inventor: John Arild Ostevik
  • Plug Device
    Publication number: 20100126714
    Abstract: A plug device for closing of a pipe bore where the plug comprises an exterior sleeve formed in a flexible material, and a setting mechanism, and where the setting mechanism comprises wedges which between their passive position and their active position are displaced along a curved path.
    Type: Application
    Filed: March 13, 2008
    Publication date: May 27, 2010
    Inventor: John Arild Ostevik