Patents by Inventor Anastasia MALAFEY

Anastasia MALAFEY 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).

  • Well tool comprising a plugging device and a junk catching device
    Patent number: 10081995
    Abstract: A well tool including a plugging device having an inner mandrel, an anchoring device and a sealing device. The tool also includes a junk catching device having an outer housing, a bore provided inside the housing and a receiving device provided in an upper end of the housing. A lower end of the outer housing is connected to an upper end of the inner mandrel of the plugging device. The receiving device comprises a receiving opening providing an opening into the bore and a junk guiding device for guiding junk into the bore via the receiving opening. The well tool further includes a valve device having a run state and a set state, where the valve device forms a termination of a junk container in the set state.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: September 25, 2018
    Assignee: INTERWELL TECHNOLOGY AS
    Inventors: Anastasia Malafey, Jan Tore Helland
  • WELL TOOL COMPRISING A PLUGGING DEVICE AND A JUNK CATCHING DEVICE
    Publication number: 20160160596
    Abstract: A well tool including a plugging device having an inner mandrel, an anchoring device and a sealing device. The tool also includes a junk catching device having an outer housing, a bore provided inside the housing and a receiving device provided in an upper end of the housing. A lower end of the outer housing is connected to an upper end of the inner mandrel of the plugging device. The receiving device comprises a receiving opening providing an opening into the bore and a junk guiding device for guiding junk into the bore via the receiving opening. The well tool further includes a valve device having a run state and a set state, where the valve device forms a termination of a junk container in the set state.
    Type: Application
    Filed: June 2, 2014
    Publication date: June 9, 2016
    Inventors: Anastasia MALAFEY, Jan Tore HELLAND