Patents by Inventor Corinna Schwartze

Corinna Schwartze 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).

  • Downhole tools with independently-operated cutters and methods of milling long sections of a casing therewith
    Patent number: 9617815
    Abstract: In one aspect, an apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a plurality of cutters, each cutter having expandable cutting elements, a control unit associated with each cutter to expand the cutting elements of its associated cutter and a controller that controls each of the control units to independently activate and deactivate each cutter in the plurality of cutters to expand the cutting elements of each such cutter.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: April 11, 2017
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Sascha Schwartze, Ole Petter Nipen, Carl C. Clemmensen, Corinna Schwartze
  • DOWNHOLE TOOLS WITH INDEPENDENTLY-OPERATED CUTTERS AND METHODS OF MILLING LONG SECTIONS OF A CASING THEREWITH
    Publication number: 20150267493
    Abstract: In one aspect, an apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a plurality of cutters, each cutter having expandable cutting elements, a control unit associated with each cutter to expand the cutting elements of its associated cutter and a controller that controls each of the control units to independently activate and deactivate each cutter in the plurality of cutters to expand the cutting elements of each such cutter.
    Type: Application
    Filed: March 24, 2014
    Publication date: September 24, 2015
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Sascha Schwartze, Ole Petter Nipen, Carl C. Clemmensen, Corinna Schwartze