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:
Oct. 24, 2023

Filed:

Aug. 31, 2021
Applicant:

Martinrea International Us Inc., Auburn Hills, MI (US);

Inventors:

Anindya Banerji, Windsor, CA;

Cory Doble, Ortonville, MI (US);

Ganesh Iyer, Oakland Township, MI (US);

Assignee:

Martinrea International US Inc., Auburn Hills, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 9/14 (2006.01); F16L 58/08 (2006.01); B21C 23/22 (2006.01);
U.S. Cl.
CPC ...
F16L 9/14 (2013.01); B21C 23/22 (2013.01); F16L 58/08 (2013.01);
Abstract

An article and method for forming a coated metal pipe for use as an automotive fluid transport tube including a copper plated carbon steel tubing formed into a circular cross sectional profile. At least one intermediate layer including any of a corrosion inhibiting zinc/aluminum alloy, electroplated zinc or hot dip aluminum is applied over said tubing. One or more outer polymer or copolymer layers are applied over the intermediate layer, with the outer layer or multi-layers compounded with a graphene or graphene oxide powder.


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