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:
Mar. 15, 2016
Filed:
Feb. 24, 2012
Applicant:
Sean Gillis, Beaumont, CA;
Inventor:
Sean Gillis, Beaumont, CA;
Assignee:
DRILFORMANCE TECHNOLOGIES LLC, Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/00 (2006.01); E21B 4/00 (2006.01);
U.S. Cl.
CPC ...
E21B 4/003 (2013.01); E21B 10/00 (2013.01);
Abstract
A drilling apparatus including a housing, a drill bit having a head end, a connection end, and a bearing mandrel between the head end and the connection end, a bearing pack associated with the bearing mandrel and the housing for transmitting forces between the drill bit and the housing, the bearing pack including at least one bearing interposed between the bearing mandrel and the housing, and a drive mechanism connected with the connection end of the drill bit, for driving the drill bit.