Patents by Inventor Jens Kristian Lervik

Jens Kristian Lervik 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).

  • System and system elements for direct electrical heating of subsea pipelines
    Patent number: 9429263
    Abstract: A device for high efficiency induction heating or direct electrical heating, DEH, of a number, M, M?[1, N of a group of parallel subsea pipelines N, where N?[2, ?, and where a number of conductor cables, W, supplies electrical power from at least one top side power supply to M of the parallel subsea pipelines N, wherein the number of electric conductors, W, from the at least one top side power supply connected to the M pipelines is defined to be in the group W?[N, N+1], where N, W and M are natural numbers.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: August 30, 2016
    Assignee: SINVENT AS
    Inventors: Jens Kristian Lervik, Harald Kulbotten
  • System and system elements for direct electrical heating of subsea pipelines
    Publication number: 20140016918
    Abstract: A device for high efficiency induction heating or direct electrical heating, DEH, of a number, M, M?[1, N of a group of parallel subsea pipelines N, where N?[2, ?, and where a number of conductor cables, W, supplies electrical power from at least one top side power supply to M of the parallel subsea pipelines N, wherein the number of electric conductors, W, from the at least one top side power supply connected to the M pipelines is defined to be in the group W?[N, N+1], where N, W and M are natural numbers.
    Type: Application
    Filed: July 17, 2013
    Publication date: January 16, 2014
    Applicant: Sinvent AS
    Inventors: Jens Kristian Lervik, Harald Kulbotten