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:
Jul. 05, 2022
Filed:
May. 13, 2020
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventor:
Joe Noske, Houston, TX (US);
Assignee:
WEATHERFORD TECHNOLOGY HOLDINGS, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/08 (2006.01); E21B 34/12 (2006.01); F16K 17/04 (2006.01); F16K 17/08 (2006.01);
U.S. Cl.
CPC ...
E21B 34/08 (2013.01); E21B 34/12 (2013.01); F16K 17/046 (2013.01); F16K 17/082 (2013.01); E21B 2200/05 (2020.05);
Abstract
The present disclosure generally relates to a flapper valve including a pressure relief assembly. The pressure relief assembly is operable to activate when a pressure differential across the flapper approaches or exceeds a design pressure of the flapper.