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:
Jun. 23, 2009
Filed:
Mar. 10, 2007
Applicants:
William J. Mcdonald, Houston, TX (US);
Timothy F. Price, Rockwall, TX (US);
Gareth P. Hatch, East Dundee, IL (US);
Inventors:
William J. McDonald, Houston, TX (US);
Timothy F. Price, Rockwall, TX (US);
Gareth P. Hatch, East Dundee, IL (US);
Assignee:
Dexter Magnetic Technologies, Inc., Elk Grove Village, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/04 (2006.01); E21B 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wellbore motor includes a source of rotational motive power disposed in a wellbore, a magnetic gear member operatively coupled at an input thereof to the source; and a magnetic gear member output coupled rotationally to a rotary wellbore tool.