Patents by Inventor Marie Haahr

Marie Haahr 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).

  • Method of installing an unbonded flexible pipe
    Patent number: 10513896
    Abstract: The present invention relates to a method of installing an unbonded flexible pipe with a bore for transportation of fluid wherein the unbonded flexible pipe comprises an outer sheath, an inner sealing sheath inside the outer polymer sheath, an annulus between said outer sheath and said inner sealing sheath and at least one metallic armor layer comprising iron located in said annulus, wherein the method comprises filling at least a part of the annulus with a corrosion promoting liquid before or after installing the unbonded flexible pipe between a first installation and a second installation.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: December 24, 2019
    Assignee: NATIONAL OILWELL VARCO DENMARK I/S
    Inventors: Jonas Gudme, Adam Rubin, Marie Haahr
  • A METHOD OF INSTALLING AN UNBONDED FLEXIBLE PIPE
    Publication number: 20180298705
    Abstract: The present invention relates to a method of installing an unbonded flexible pipe with a bore for transportation of fluid wherein the unbonded flexible pipe comprises an outer sheath, an inner sealing sheath inside the outer polymer sheath, an annulus between said outer sheath and said inner sealing sheath and at least one metallic armor layer comprising iron located in said annulus, wherein the method comprises filling at least a part of the annulus with a corrosion promoting liquid before or after installing the unbonded flexible pipe between a first installation and a second installation.
    Type: Application
    Filed: November 9, 2015
    Publication date: October 18, 2018
    Inventors: Jonas Gudme, Adam Rubin, Marie Haahr