Patents by Inventor Rune SØRENSEN

Rune SØRENSEN 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).

  • Patent number: 10138098
    Abstract: Disclosed is a draw-works and a method of operation. The draw-works includes a first drum configured to store and reel in an elongated hoisting member, such as a hoisting cable, a second drum configured to store and reel in the elongated hoisting member, and a rotation device configured to rotate the first and second drums, wherein at least one of the drums is selectively connectable to and disconnectable from the rotation device.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: November 27, 2018
    Assignee: National Oilwell Varco Norway AS
    Inventors: Rune Sørensen, Timothy Watson, Ivan Rajic
  • Publication number: 20160289052
    Abstract: Disclosed is a draw-works and a method of operation. The draw-works includes a first drum configured to store and reel in an elongated hoisting member, such as a hoisting cable, a second drum configured to store and reel in the elongated hoisting member, and a rotation device configured to rotate the first and second drums, wherein at least one of the drums is selectively connectable to and disconnectable from the rotation device.
    Type: Application
    Filed: March 18, 2016
    Publication date: October 6, 2016
    Inventors: Rune SØRENSEN, Timothy Watson, Ivan Rajic