Patents by Inventor Lars Rohbock

Lars Rohbock 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).

  • Assembly of an end-fitting and an unbonded flexible pipe
    Patent number: 11339902
    Abstract: An end-fitting and an unbonded flexible pipe, where the unbonded flexible pipe includes from the inside and out an internal pressure sheath, at least one armor layer and an outer sheath, the end-fitting further includes a sealing element. The sealing element includes a seal casing concentrically arranged around the internal pressure sheath, the seal casing includes a recess in which a first sealing element is concentrically arranged around the internal pressure sheath such that the surface of the first sealing element at least forms a line contact with the internal pressure sheath, and a second sealing element is concentrically arranged around the internal pressure sheath in the recess such that the surface of the second sealing element at least form a line contact with the surface of the seal casing and form a line contact with the surface of the first sealing element.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: May 24, 2022
    Assignee: NATIONAL OILWELL VARCO DENMARK I/S
    Inventors: Jesper Ries, Martin Halsteen, Lars Rohbock, Bo Bøgelund