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:
Apr. 05, 2022
Filed:
Oct. 01, 2019
Vallourec Oil and Gas France, Aulnoye-Aymeries, FR;
Alastair John Brodie, Boulogne-Billancourt, FR;
Alexis Van Wesemael, Boulogne-Billancourt, FR;
VALLOUREC OIL AND GAS FRANCE, Aulnoye-Aymeries, FR;
Abstract
Protective device for a male end portion of a steel tube for use in a tubular hydrocarbon working string, the device including a cylindrical sleeve body having a main axis and defining an inner cavity intended to receive the male end portion, an engagement portion having the cylindrical sleeve body is split axially in at least two shells being held together by a junction, and the engagement portion is so configured to separate the at least two shells under exertion of a predefined axial force on a first or second engagement surface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile