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.

Date of Patent:
Jul. 07, 2026

Filed:

Apr. 11, 2024
Applicant:

Weatherford Technology Holdings, Llc, Houston, TX (US);

Inventors:

Frank D. Kalb, Cypress, TX (US);

Mark J. Murray, Sugarland, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/10 (2006.01);
U.S. Cl.
CPC ...
E21B 43/10 (2013.01);
Abstract

A liner hanger can include slips, a mandrel, an outer housing rigidly secured to the mandrel, a collet sleeve connected to the slips, and an annular piston in an annulus between the mandrel and the outer housing, the piston supporting the collets and thereby preventing displacement of the slips relative to the mandrel. Another liner hanger can include collets supported by an outer housing, and an annular piston supporting an engagement member and thereby preventing displacement of the slips relative to the mandrel. Another liner hanger can include a piston releasably secured to a mandrel, a collet sleeve secured against longitudinal displacement relative to the mandrel, and the piston including a support surface supporting an engagement member and thereby preventing displacement of slips relative to the mandrel.


Find Patent Forward Citations

Kalb, Frank. (2026). Liner hanger with hydraulic actuator lock (U.S. Patent No. 12674376). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12674376

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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