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Aker Subsea As patents (2018 archive)

Recent patent applications related to Aker Subsea As. Aker Subsea As is listed as an Agent/Assignee. Note: Aker Subsea As may have other listings under different names/spellings. We're not affiliated with Aker Subsea As, we're just tracking patents.

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Long step out direct electric heating assembly

A subsea direct electrical heating assembly adapted to heat a hydrocarbon conducting steel pipeline (1) arranged subsea. The assembly comprises a direct electrical heating cable (3) extending along and being connected to the steel pipeline (1) and a power transmission cable (7) receiving electric power from a power supply (5) which is arranged onshore or at surface offshore, and which feeds the direct electrical heating cable (3). ... Aker Subsea As

Dlc-coated gate valve in petroleum production or water injection

The invention provides a gate valve (1) for control of petroleum production or water injection, distinctive in that at least one surface subject to slidng in operation of the valve comprises a top layer coating of diamond like carbon (dlc). The dlc contains hydrogen, preferably more than 16 atom-% and more preferred more than 17 atom-%. ... Aker Subsea As

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Aker Subsea As in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Aker Subsea As with additional patents listed. Browse our Agent directory for other possible listings. Page by