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:
May. 27, 2008
Filed:
Aug. 14, 2006
Applicants:
K. Evert Beierbach, Calgary, CA;
Kevin Nikiforuk, Calgary, CA;
Inventors:
K. Evert Beierbach, Calgary, CA;
Kevin Nikiforuk, Calgary, CA;
Assignee:
Tesco Corporation, Calgary, AB, unknown;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pipe handling device for mounting to use with a top drive and possibly a pipe engaging apparatus, includes a link arm having a first end pivotally connectable to move with the top drive and an outboard end pivotally connectable to a pipe elevator segment, and a drive system to drive the outboard end of the link arm at least between a lower position and a raised position. A pipe handling system and method may include or employ the pipe handling device.