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:
Oct. 06, 2020
Filed:
Jan. 28, 2016
Applicant:
Nov Downhole Eurasia Limited, Stonehouse, Gloucestershire, GB;
Inventors:
Haydn G. Smith, Dursley, GB;
Graham Watson, Gloucester, GB;
Assignee:
NOV Downhole Eurasia Limited, Stonehouse, Gloucestershi, GB;
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/30 (2006.01); E21B 17/10 (2006.01); E21B 17/16 (2006.01); E21B 12/00 (2006.01); E21B 7/06 (2006.01); E21B 10/42 (2006.01); E21B 10/55 (2006.01);
U.S. Cl.
CPC ...
E21B 12/00 (2013.01); E21B 7/064 (2013.01); E21B 10/30 (2013.01); E21B 10/42 (2013.01); E21B 17/1092 (2013.01); E21B 10/55 (2013.01);
Abstract
A rotary downhole tool, for example in the form of a drill bit, is described that includes a tool body, the body defining a gauge region, and at least one gauge roller rotatably mounted to the body.