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:
Aug. 25, 2026
Filed:
Feb. 15, 2023
Applicant:
Vallourec Oil and Gas France, Aulnoye-Aymeries, FR;
Inventors:
Pierre Martin, Meudon, FR;
Eric Verger, Meudon, FR;
Assignee:
VALLOUREC OIL AND GAS FRANCE, Aulnoye-Aymeries, FR;
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/043 (2006.01);
U.S. Cl.
CPC ...
E21B 17/043 (2013.01);
Abstract
Threaded joint including a male end having a male thread and a free male end, a female end having a female thread and a free female end, said female end also including at least one extension extending axially from the side of the female thread and forming the free female end, said at least one extension being flexible radially and including on an internal surface an extension shoulder arranged to cooperate with a locking surface extending from an external surface of the male end and to limit axially in one direction the relative movement of the male end relative to the female end.