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. 14, 2025
Filed:
Sep. 10, 2023
Evolution Oil Tools Inc., Calgary, CA;
Vern Hult, Calgary, CA;
Bernard Lumori, Calgary, CA;
Chris Patton, Calgary, CA;
Emery Stoesser, Calgary, CA;
Evolution Oil Tools Inc., Calgary, CA;
Abstract
A wellhead assembly and a tubing hanger comprising: an outer hanger body for supporting the tubing hanger in a tubing head, the outer hanger body including: an upper end and a lower end; an outer surface having a downwardly tapering shape; an inner bore extending from the upper end to the lower end; a lockdown shoulder; an annular extension between the lockdown shoulder and the upper end of the outer hanger body; and an annular seal extending around an outer diameter of the annular extension, the annular seal configured to seal against debris passing therepast down along the outer surface from the upper end toward the lockdown shoulder when the tubing hanger is supported in a tubing head.