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:
Nov. 10, 2026

Filed:

May. 10, 2024
Applicants:

Rolls-royce Corporation, Indianapolis, IN (US);

Rolls-royce North American Technologies, Inc., Indianapolis, IN (US);

Inventors:

Sidharth Krishnamoorthi, Indianapolis, IN (US);

Matthew R. Gold, Indianapolis, IN (US);

Robert Golden, Indianapolis, IN (US);

Assignees:

Rolls-Royce Corporation, Indianapolis, IN (US);

Rolls-Royce North American Technologies, Inc., Indianapolis, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 15/08 (2006.01); C23C 4/06 (2016.01); G06V 10/60 (2022.01);
U.S. Cl.
CPC ...
G01N 15/088 (2013.01); C23C 4/06 (2013.01); G06V 10/60 (2022.01);
Abstract

A method includes receiving, by a computing device, an image indicative of a cross-section of a thermally-sprayed layer. The thermally-sprayed layer defines a porosity comprising a void volume of the thermally-sprayed layer. The image comprises a matrix of pixels, each pixel in the matrix of pixels defining a respective luminance value of a plurality of luminance values. The method includes identifying, based on the luminance values, at least one pixel that is indicative of a void volume in the thermally-sprayed layer. The method includes calculating, based on the at least one pixel that is indicative of the void volume in the thermally-sprayed layer, a total porosity of the thermally-sprayed layer. The method includes determining, by the computing device and based on the at least one pixel that corresponds to a void volume in the thermally-sprayed layer, a quantification of a spatial homogeneity of the porosity of the thermally-sprayed layer.


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Krishnamoorthi, Sidharth. (2026). Porosity characteristics of thermal spray coatings technical field (U.S. Patent No. 12791461). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12791461

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