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:
Nov. 17, 2020
Filed:
Dec. 16, 2016
Applicant:
Deepwater Oil Tools Ltd., Aberdeen Aberdeenshire, GB;
Inventor:
Tristam Horn, Aberdeen, GB;
Assignee:
DELTATEK OIL TOOLS LIMITED, Aberdeen, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/07 (2006.01); E21B 33/14 (2006.01);
U.S. Cl.
CPC ...
E21B 17/073 (2013.01); E21B 17/07 (2013.01); E21B 33/14 (2013.01);
Abstract
A system for facilitating the transmission of rotational torque through a tool when the tool is in tension but allowing free rotation without torque transmission when the tool is in compression and stroked partially or fully closed.