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. 27, 2010
Filed:
Feb. 03, 2005
Applicants:
Kenneth M. Nevlud, The Woodlands, TX (US);
Timothy P. Beaton, The Woodlands, TX (US);
Inventors:
Kenneth M. Nevlud, The Woodlands, TX (US);
Timothy P. Beaton, The Woodlands, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A down hole motor assembly with a locking mechanism, and methods for operating said down hole motor assembly. The down hole motor has a housing operatively connectable at an upper end to a drill string. A shaft is disposed within the housing and operatively connected to a motor portion of the down hole motor. A locking mechanism is configured to selectively transmit torque from the housing to the shaft when engaged.