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:
Aug. 27, 2019
Filed:
Apr. 11, 2018
Applicant:
Apergy Bmcs Acquisition Corporation, Orem, UT (US);
Inventors:
E. Sean Cox, Spanish Fork, UT (US);
Nathan Andrew Tulett, Orem, UT (US);
Assignee:
APERGY BMCS ACQUISITION CORPORATION, Orem, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/26 (2006.01); E21B 10/43 (2006.01); E21B 10/46 (2006.01); E21B 10/58 (2006.01); E21B 10/54 (2006.01); E21B 10/60 (2006.01);
U.S. Cl.
CPC ...
E21B 10/26 (2013.01); E21B 10/43 (2013.01); E21B 10/46 (2013.01); E21B 10/54 (2013.01); E21B 10/58 (2013.01); E21B 10/60 (2013.01);
Abstract
A subterranean support-bolt drill bit has a bit body rotatable about a central axis, the bit body having a forward end and a rearward end axially spaced away from the forward end. The support-bolt drill bit includes at least one bit cutting element coupled to the bit body, the at least one bit cutting element including a cutting edge. The support-bolt drill bit also includes a central pilot projecting from the bit body beyond the at least one bit cutting element in an axially forward direction, the central pilot including a pilot cutting edge.