Patents by Inventor Hans Kvarme

Hans Kvarme 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).

  • Subsea pipeline direct electric heating cable with a protection system
    Patent number: 8952255
    Abstract: A piggyback cable (10) has a copper conductor (2) with a triple extruded insulation system including a conductor screen (13), an insulation layer (14), and an insulation screen (15), an inner sheath (16) surrounding this insulation system, and an outer sheath (18), the space between the inner (16) and outer (18) sheaths being filled with protective elements. The protective elements have thermoplastic (21) elements arranged together to form at least one layer helically wound around the said cable (10).
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: February 10, 2015
    Assignee: Nexans
    Inventors: Per Arne Osborg, Hans Kvarme
  • External protection for direct electric heating cable
    Patent number: 8759724
    Abstract: The present invention concerns an elongated object (1) including a cable (2) being surrounded by an external protection (3a, 3b, 3c, 3d, 3e), said external protection comprising at least one protection layer including at least two elongated extruded hollow profiles (31a, 31b, 31c, 31d, 31e), each elongated extruded hollow profile comprising at least one elongated empty cavity (32), characterized in that each profile (31a, 31b, 31c, 31d, 31e) of said external protection is a single element along the whole length of the cable portion to be protected, and that the total cross section area of the empty parts of the external protection represents at least 20% of the total cross section area of the external protection.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: June 24, 2014
    Assignee: NEXANS
    Inventors: Jan Erik Karlsen, Lars Hennig, Anders Henrik Bla, Hans Kvarme
  • SUBSEA PIPELINE DIRECT ELECTRIC HEATING CABLE WITH A PROTECTION SYSTEM
    Publication number: 20120267165
    Abstract: A piggyback cable (10) has a copper conductor (2) with a triple extruded insulation system including a conductor screen (13), an insulation layer (14), and an insulation screen (15), an inner sheath (16) surrounding this insulation system, and an outer sheath (18), the space between the inner (16) and outer (18) sheaths being filled with protective elements. The protective elements have thermoplastic (21) elements arranged together to form at least one layer helically wound around the said cable (10).
    Type: Application
    Filed: March 26, 2012
    Publication date: October 25, 2012
    Inventors: Per Arne Osborg, Hans Kvarme
  • EXTERNAL PROTECTION FOR DIRECT ELECTRIC HEATING CABLE
    Publication number: 20120037611
    Abstract: The present invention concerns an elongated object (1) including a cable (2) being surrounded by an external protection (3a, 3b, 3c, 3d, 3e), said external protection comprising at least one protection layer including at least two elongated extruded hollow profiles (31a, 31b, 31c, 31d, 31e), each elongated extruded hollow profile comprising at least one elongated empty cavity (32), characterized in that each profile (31a, 31b, 31c, 31d, 31e) of said external protection is a single element along the whole length of the cable portion to be protected, and that the total cross section area of the empty parts of the external protection represents at least 20% of the total cross section area of the external protection.
    Type: Application
    Filed: March 25, 2010
    Publication date: February 16, 2012
    Applicant: NEXANS
    Inventors: Jan Erik Karlsen, Lars Hennig, Anders Henrik Bla, Hans Kvarme