The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 2016
Filed:
Jul. 17, 2013
Applicant:
Sinvent As, Trondheim, NO;
Inventors:
Jens Kristian Lervik, Kval, NO;
Harald Kulbotten, Ler, NO;
Assignee:
SINVENT AS, Trondheim, NO;
Primary Examiner:
Int. Cl.
CPC ...
E03B 7/10 (2006.01); H05B 3/60 (2006.01); F16L 53/00 (2006.01); F17D 1/18 (2006.01); H05B 3/00 (2006.01); H05B 6/10 (2006.01);
U.S. Cl.
CPC ...
F16L 53/004 (2013.01); F16L 53/007 (2013.01); F17D 1/18 (2013.01); H05B 3/0004 (2013.01); H05B 3/0023 (2013.01); H05B 6/108 (2013.01); H05B 2214/03 (2013.01);
Abstract
A device for high efficiency induction heating or direct electrical heating, DEH, of a number, M, Mε[1, Nof a group of parallel subsea pipelines N, where Nε[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 Wε[N, N+1], where N, W and M are natural numbers.