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:
Oct. 13, 2026
Filed:
Jul. 12, 2023
Applicant:
Shell Usa, Inc., Houston, TX (US);
Inventors:
Marco Muijderman, Amsterdam, NL;
Wouter Johannes Gregorius Keultjes, Amsterdam, NL;
Erik Kerst Cornelissen, Amsterdam, NL;
Coen Van Schie, Amsterdam, NL;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); E21B 34/08 (2006.01); F16K 1/44 (2006.01); F16K 17/30 (2006.01);
U.S. Cl.
CPC ...
E21B 43/123 (2013.01); E21B 34/08 (2013.01); F16K 1/443 (2013.01); F16K 17/30 (2013.01);
Abstract
An unloading valve, which allows fluid flow in a flow direction through the unloading valve up to a predetermined maximum flow rate, and which blocks fluid flow in a blocking direction. The unloading valve is specifically suited for use in a continuous gas lift system. It can be installed in a wellbore tubular by punching it into the wall of the wellbore tubular using a punch tool run within the tubular bore.
Muijderman, Marco. (2026). Unloading valve and a gas lift system and a method of installing such a gas lift system (U.S. Patent No. 12760630). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12760630
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile