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.

Date of Patent:
May. 24, 2016

Filed:

Feb. 25, 2014
Applicant:

Basf SE, Ludwigshafen, DE;

Inventors:

Jürgen Wortmann, Limburgerhof, DE;

Michael Lutz, Speyer, DE;

Martin Gärtner, Worms, DE;

Kerstin Schierle-Arndt, Zwingenberg, DE;

Stephan Maurer, Neustadt-Gimmeldingen, DE;

Michael Ladenberger, Darstein, DE;

Karolin Geyer, Mannheim, DE;

Florian Garlichs, Neustadt, DE;

Assignee:

BASF SE, Ludwigshafen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 1/02 (2006.01); F16L 53/00 (2006.01);
U.S. Cl.
CPC ...
F16L 53/007 (2013.01); F16L 53/008 (2013.01);
Abstract

The invention relates to an apparatus for heating a pipeline system, comprising at least two pipelines (), along which in each case one electrical resistance heating element extends, wherein a potential close to the ground potential is set at each electrical resistance heating element at at least one end (), and the electrical resistance heating element is connected to a terminal of a DC source or to in each case one phase () of an n-phase AC source () at a position remote from this end (), where, when using an n-phase AC source (), n is an integer equal to or greater than 2.


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