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:
Jan. 13, 2015
Filed:
Dec. 10, 2009
Applicant:
Simon David Gill, Bristol, GB;
Inventor:
Simon David Gill, Bristol, GB;
Assignee:
Vetco Gray Controls Limited, Bristol, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 31/02 (2006.01); E21B 41/00 (2006.01); F04B 5/02 (2006.01); F04B 9/109 (2006.01); F04B 9/117 (2006.01);
U.S. Cl.
CPC ...
E21B 41/005 (2013.01); F04B 5/02 (2013.01); F04B 9/109 (2013.01); F04B 9/117 (2013.01);
Abstract
A pump for use in pumping hydraulic well control fluid expelled from a control device of a well, comprises means for accumulating such hydraulic well control fluid and means for using the pressure of hydraulic fluid supplied to the well to pump accumulated hydraulic well control fluid into a production flowline of the well.