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:
Jul. 09, 2002
Filed:
Oct. 26, 2000
Applicant:
Inventors:
Nicu Valentin Cioceanu, Edmonton, CA;
Troy Douglas Lorenson, Edmonton, CA;
George Murry Ward, Edmonton, CA;
Assignee:
CN & LT Consulting Ltd., Edmonton, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/02 ;
U.S. Cl.
CPC ...
E21B 4/02 ;
Abstract
A bearing assembly is disclosed for use with a mud motor. The bearing assembly includes at least three radial bearings to protect the flow restrictor of the bearing assembly against harmful sideways and lateral loading. The bearing assembly also includes a compression nut to eliminate cracks on the mandrel at the split ring.