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:
Jun. 15, 2021
Filed:
Jan. 17, 2018
Applicants:
Colin Andrew, Cypress, TX (US);
Matthew Stone, Humble, TX (US);
Adam M. Mcguire, Houston, TX (US);
Inventors:
Assignee:
BAKER HUGHES, A GE COMPANY, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/14 (2006.01); E21B 34/12 (2006.01); E21B 43/12 (2006.01); E21B 34/08 (2006.01); E21B 34/10 (2006.01); E21B 33/127 (2006.01); E21B 17/20 (2006.01);
U.S. Cl.
CPC ...
E21B 34/14 (2013.01); E21B 17/20 (2013.01); E21B 33/1277 (2013.01); E21B 34/08 (2013.01); E21B 34/103 (2013.01); E21B 34/12 (2013.01); E21B 43/129 (2013.01); E21B 2200/06 (2020.05);
Abstract
A substance deposition and backflow preventing arrangement including a housing having a port therein, a sleeve disposed within the housing and positionable to cover or uncover the port, the sleeve having a first seal at one end thereof presenting a first hydraulic dimension and a second seal at another end of the sleeve having a different hydraulic dimension, a biasing member operably connected to the sleeve and to the housing and configured to urge the sleeve to a position covering the port.