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.

Date of Patent:
Jan. 17, 2017

Filed:

Aug. 31, 2015
Applicants:

Xuejun LI, Beijing, CN;

Chen Liu, Beijing, CN;

Jie Cui, Beijing, CN;

Inventors:

Xuejun Li, Beijing, CN;

Chen Liu, Beijing, CN;

Jie Cui, Beijing, CN;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/16 (2006.01);
U.S. Cl.
CPC ...
E21B 19/163 (2013.01);
Abstract

A torque wrench apparatus comprises a top wrench, a bottom wrench, and a middle wrench. The top and bottom wrenches are configured such that either one of them rotates a first joint in a first direction, and the middle wrench is configured to rotate a second joint in a second direction opposite the first direction; or the top and bottom wrenches are configured such that either one of them immobilizes a first joint, and the middle wrench is configured to rotate a second joint in a first direction; or the middle wrench is configured to immobilize a first joint, and the top and bottom wrenches are configured such that either one of them rotates a second joint in a second direction opposite the first direction. A method for making and breaking joints with the apparatus is also introduced.


Find Patent Forward Citations

Li, Xuejun. (2017). Torque wrench apparatus and method for making and breaking joints (U.S. Patent No. 9546526). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9546526

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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