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:
Sep. 29, 2009
Filed:
Apr. 13, 2005
Applicant:
Lopek Drzewiecki, Edmonton, CA;
Inventor:
Lopek Drzewiecki, Edmonton, CA;
Assignee:
National Oilwell Varco, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An elevator comprising a body having a longitudinal axis therethrough. The body is operable to at least partially surround and support a tubular member aligned with the longitudinal axis. The body also has a longitudinal opening that is sized so as to allow the tubular member to pass therethrough. A door is rotatable about the longitudinal axis of the body and has a closed position wherein the tubular member is retained within the body and an opened position wherein the tubular member can pass through the longitudinal opening.