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:
Dec. 19, 2023
Filed:
Sep. 27, 2021
Applicant:
National Technology & Engineering Solutions of Sandia, Llc, Albuquerque, NM (US);
Inventors:
Jiann-Cherng Su, Albuquerque, NM (US);
Somuri V. Prasad, Albuquerque, NM (US);
Rand Garfield, Corrales, NM (US);
Assignee:
National Technology & Engineering Solutions of Sandia, LLC, Albuquerque, NM (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/00 (2006.01); E21B 4/14 (2006.01); E21B 17/10 (2006.01); B32B 9/00 (2006.01); B32B 15/18 (2006.01);
U.S. Cl.
CPC ...
E21B 4/003 (2013.01); B32B 9/007 (2013.01); B32B 15/18 (2013.01); E21B 4/14 (2013.01); E21B 17/1007 (2013.01); B32B 2311/18 (2013.01); B32B 2313/04 (2013.01); B32B 2315/02 (2013.01);
Abstract
A coating architecture is disclosed that includes a substrate having a surface finish Rof 0.3μ or finer, an intermediate layer overlying and in contact with the substrate; and a solid lubricant layer overlying and in contact with the intermediate layer. The test results of applying the coating architecture to a reciprocating hammer drill utilizing the coating is also disclosed.