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. 23, 2001
Filed:
Aug. 24, 1999
Applicant:
Inventors:
Tony M. Lam, Edmonton, CA;
Keith D. Farquharson, Edmonton, CA;
Assignee:
Steam-Flo Industries, Ltd., Edmonton, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 3/306 ;
U.S. Cl.
CPC ...
E21B 3/306 ;
Abstract
A unitary pumping tree is provided for forming part of a wellhead assembly christmas tree. The tree integrates a bottom connector, shut-off valve, hydraulically actuated blow-out preventer, mechanically actuated blow-out preventer, flow tee and top connector, within a body formed as a single piece of steel.
Lam, Tony. (2001). Composite pumping tree with integral shut-off valve (U.S. Patent No. 6176466). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6176466
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile