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. 21, 2026
Filed:
Mar. 01, 2024
Welltec Manufacturing Center Completions Aps, Esbjerg N, DK;
Ricardo Reves Vasques, Zug, CH;
Welltec Manufacturing Center Completions ApS, Esbjerg N, DK;
Abstract
An annular barrier has a tubular metal part and an expandable metal sleeve having ends connected with the tubular metal part. An annular space is between the expandable metal sleeve and the tubular metal part, an expansion opening is provided in the tubular metal part through which fluid may enter for expansion. The annular barrier further includes a eutectic material and/or a bentonite material which in a first condition is arranged on the outer face of the tubular metal part in a first axial position different from the second axial extension of the expandable metal sleeve, and in a second condition and a second axial position the eutectic material and/or a bentonite material abuts a face of the expandable metal sleeve, and in an intermediate condition the eutectic material and/or a bentonite material is positioned between the first axial position and the second axial position.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile