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:
Apr. 19, 2016
Filed:
Mar. 26, 2013
Drago Crnogorac, Calgary, CA;
Allan Joseph Pleskie, Chestermere, CA;
Wojciech Niemczewski, Calgary, CA;
Matthew Gotch, Calgary, CA;
Drago Crnogorac, Calgary, CA;
Allan Joseph Pleskie, Chestermere, CA;
Wojciech Niemczewski, Calgary, CA;
Matthew Gotch, Calgary, CA;
Tissa Engineering Inc., Alberta, CA;
Abstract
An improved gripper shoe for a coiled tubing injector having a gripper shoe having a plurality of arcuate gripper elements spaced apart at predetermined intervals, a gripper carrier having a base having an upper surface and a lower surface, a first wall and a second wall located on the upper surface of the base, a mechanism for securing the gripper carrier to a continuous chain of a coiled tube injector located on the lower surface of the gripper assembly, and a mechanism for securing the gripper shoe to the gripper carrier, such that the gripper shoe is securely received by, and releasable from, the gripper carrier.