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:
Jun. 14, 2022
Filed:
Nov. 22, 2019
Applicant:
Tenaris Connections B.v., Amsterdam, NL;
Inventors:
Diego Dell'erba, Buenos Aires, AR;
Gaston Mazzaferro, Buenos Aires, AR;
Juan Carlos Gonzalez, Luxembourg, LU;
Assignee:
Tenaris Connections B.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 17/042 (2006.01); C09D 5/08 (2006.01); C25D 13/04 (2006.01); F16L 58/18 (2006.01); C23F 11/10 (2006.01); C25D 13/20 (2006.01); C25D 13/22 (2006.01);
U.S. Cl.
CPC ...
C25D 13/04 (2013.01); C09D 5/08 (2013.01); C23F 11/10 (2013.01); C25D 13/20 (2013.01); C25D 13/22 (2013.01); F16L 58/182 (2013.01);
Abstract
Oil well pipe component comprising a threaded portion, at least part whereof is coated with a layer of a corrosion-inhibiting material, that has been applied to at least the part of the threaded portion of the oil well pipe component by means of a method comprising a cataphoresis step from an aqueous bath, said method comprising