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:
Mar. 21, 2022
Filed:
Oct. 02, 2018
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
David R. Hall, Provo, UT (US);
Jonathan Marshall, Provo, UT (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/10 (2005.12); E21B 27/00 (2005.12); E21B 7/06 (2005.12); E21B 10/62 (2005.12);
U.S. Cl.
CPC ...
E21B 17/1014 (2012.12); E21B 7/06 (2012.12); E21B 10/62 (2012.12); E21B 27/00 (2012.12);
Abstract
A piston assembly may comprise a housing with a wall, and at least one chamber formed in the wall. A piston may be disposed within the chamber and at least one passageway may pass through the piston. At least one pin may be disposed within the passageway and attached to the chamber, and the piston may be free to translate relative to the pin.