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:
Aug. 02, 2016
Filed:
Mar. 12, 2014
Applicant:
Forum Us, Inc., Houston, TX (US);
Inventors:
Gregory David Swanson, Magnolia, TX (US);
Joshua Brandon Meuth, Giddings, TX (US);
Assignee:
FORUM US, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 31/02 (2006.01); E21B 19/15 (2006.01); F15B 20/00 (2006.01); F15B 13/00 (2006.01);
U.S. Cl.
CPC ...
E21B 19/15 (2013.01); F15B 20/00 (2013.01); F15B 2013/004 (2013.01); Y10T 137/7838 (2015.04);
Abstract
A safety system for bypassing counter balance valves of a catwalk hydraulic cylinder from a remote location in a safe and controlled manner. Oil from a base end of the hydraulic cylinder is routed around the counter balance valves and flows through a velocity fuse to a needle valve, a check valve, and a pump outlet.