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:
Apr. 06, 2021
Filed:
Oct. 30, 2017
Applicant:
Cameron International Corporation, Houston, TX (US);
Inventors:
Delbert Edwin Vanderford, Cypress, TX (US);
Stuart Robinson, Katy, TX (US);
Joseph A Hedges, Cypress, TX (US);
Assignee:
Cameron International Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 29/04 (2006.01); F16K 31/00 (2006.01); F16K 1/48 (2006.01); E21B 33/072 (2006.01); F16K 31/122 (2006.01);
U.S. Cl.
CPC ...
F16K 1/48 (2013.01); E21B 29/04 (2013.01); E21B 33/072 (2013.01); F16K 31/002 (2013.01); F16K 31/1221 (2013.01);
Abstract
A booster assembly includes a booster body configured to removably couple to an actuator body of an actuator of a gate valve, a booster stem configured to removably couple to an actuator stem of the actuator, and a booster biasing member configured to provide a supplemental force to supplement an actuating force applied by the actuator to drive a gate of the gate valve from an open position to a closed position.