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. 11, 2021

Filed:

Nov. 07, 2018
Applicant:

Cameron International Corporation, Houston, TX (US);

Inventors:

Manuel Marya, Sugar Land, TX (US);

Ronald Manson, Spring, TX (US);

Christian Meade, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/20 (2006.01); E21B 41/00 (2006.01); E21B 47/00 (2012.01);
U.S. Cl.
CPC ...
G01N 27/20 (2013.01); E21B 41/00 (2013.01); E21B 47/00 (2013.01);
Abstract

The disclosure provides for apparatus, including coated parts, where a base material of the part is coated with a multilayer coating. The multilayer coating includes at least three layers, including at least two electrically conductive layers. Also provided is a method for making apparatus, which includes providing a part and applying a multilayer coating to the base material of the part. Further provided is a method of monitoring and diagnosing a condition of a coated part. The method includes providing a coated part having a multilayer coating on a base material, measuring an electrical response of the multilayer coating, and correlating the electrical response with a condition of the multilayer coating.


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