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:
Jul. 07, 2020
Filed:
Feb. 07, 2017
Saipem S.a., Montigny le Bretonneux, FR;
François-Régis Pionetti, La Baleine, FR;
Jalil Agoumi, Le Kremlin-Bicetre, FR;
Axel Sundermann, Fontenay-les-Briis, FR;
Saipem S.A., Montigny le Bretonneux, FR;
Abstract
An electrical installation for an electrical system for trace heating a fluid transport pipe () made of metal, at least one polyphase circuit having three main electric cables (--, and-) in a star connection, and one additional electric cable (-----, and-), the main cables and the additional cable positioned around the pipe and connected at the pipeline end to a common connection ring () forming a point of zero electric potential, and detector for detecting a failure, if any, of the polyphase circuit to identify a failed main cable in order to replace it with the additional cable.