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. 14, 2026
Filed:
Jun. 19, 2025
Applicant:
Forum Us, Inc., Houston, TX (US);
Inventors:
Jeffery Morrison, Missouri City, TX (US);
Tabitha Katelyn Fox, Houston, TX (US);
Assignee:
FORUM US, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/14 (2006.01); E21B 34/10 (2006.01); E21B 34/14 (2006.01);
U.S. Cl.
CPC ...
E21B 33/146 (2013.01); E21B 34/103 (2013.01); E21B 34/142 (2020.05); E21B 2200/06 (2020.05);
Abstract
A stage collar having a mandrel and a closing sleeve disposed in and releasably coupled to the mandrel. One or more ports of the closing sleeve align with one or more ports of the mandrel when the stage collar is in a run in position. An opening sleeve is disposed in and releasably coupled to the mandrel. A protection sleeve is disposed in and releasably coupled to the opening sleeve. The protection sleeve comprises one or more seals configured to seal one or more bores formed through a sidewall of the opening sleeve when the stage collar is in the run in position.