Patents by Inventor Karl Einar Ferkingstad

Karl Einar Ferkingstad 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).

  • Stroker device
    Patent number: 9121241
    Abstract: This inventions relates to a stroker device (1) for use in a borehole (2) in the ground. The stroker (1) comprises at least an actuator (6) arranged for displacing a tool (10) in a longitudinal direction of the borehole (2) and grippers (26) arranged to anchor the stroker (1) to the wall (36) of the borehole (2), alternatively to a pipe wall. The stroker (1) is provided with driving wheels (34) or driving belts for propulsion.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: September 1, 2015
    Assignee: Altus Intervention AS
    Inventors: Karl Einar Ferkingstad, Arne Motland, Rune Bjorndal
  • STROKER DEVICE
    Publication number: 20140238695
    Abstract: A stroker device (1) for use in a borehole (2) in the ground, the stroker (1) at least comprising an actuator (6) arranged for displacing a tool (10) in a longitudinal direction of the borehole (2), and grippers (26) arranged to anchor the stroker (1) to the wall (36) of the borehole (2), alternatively to a pipe wall, wherein the stroker (1) is provided with driving wheels (34) or driving belts for propulsion.
    Type: Application
    Filed: May 5, 2014
    Publication date: August 28, 2014
    Applicant: AKER WELL SERVICE AS
    Inventors: Karl Einar Ferkingstad, Arne Motland, Rune Bjorndal
  • Stroker device
    Patent number: 8739891
    Abstract: A stroker device for use in a borehole in the ground includes an actuator arranged for displacing a tool in a longitudinal direction of the borehole, and grippers arranged to anchor the stroker to the wall of the borehole, alternatively to a pipe wall, wherein the stroker is provided with driving wheels or driving belts for propulsion.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: June 3, 2014
    Assignee: Aker Well Service AS
    Inventors: Karl Einar Ferkingstad, Arne Motland, Rune Bjørndal
  • Stroker Device
    Publication number: 20120037358
    Abstract: A stroker device for use in a borehole in the ground is disclosed. The stroker at least comprises an actuator arranged for displacing a tool in a longitudinal direction of the borehole, and grippers arranged to anchor the stroker to the wall of the borehole, alternatively to a pipe wall, wherein the stroker is provided with driving wheels or driving belts for propulsion.
    Type: Application
    Filed: April 19, 2010
    Publication date: February 16, 2012
    Inventors: Karl Einar Ferkingstad, Arne Motland, Rune Bjørndal