US Patent Issued to SUBSEA 7 on Oct. 27 for "Electrically heated subsea pipelines" (British, French Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,771, issued on Oct. 27, was assigned to SUBSEA 7 Ltd. (Sutton, Great Britain).

"Electrically heated subsea pipelines" was invented by Julien Manach (Milltimber, Great Britain), Julien Verdeil (Suresnes, France) and Ratnam Sathananthan (Westhill, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric heating system for a subsea pipeline comprises heating sections disposed in neighbouring longitudinal succession. A switchboard is configured to supply power in a cycle alternating between the sections. Levels of heating power supplied to the sections are in mutually-opposed alternation throughout that cycle. During the cycle, a greater...