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:
Dec. 20, 2011
Filed:
Dec. 24, 2003
Applicant:
Bernd-georg Pietras, Wedemark, DE;
Inventor:
Bernd-Georg Pietras, Wedemark, DE;
Assignee:
Weatherford/Lamb, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for delivering a tubular to a well center, which apparatus comprises means which, in use, inhibit swinging motion of the tubular while it is suspended from an elevator.