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.

Date of Patent:
Jul. 07, 2015

Filed:

Jun. 10, 2013
Applicant:

Longyear Tm, Inc., South Jordan, UT (US);

Inventors:

Cody A. Pearce, Midvale, UT (US);

Michael D. Rupp, Murray, UT (US);

Christian M. Lambert, Draper, UT (US);

Assignee:

Longyear TM, Inc., South Jordan, UT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/02 (2006.01); E21B 10/48 (2006.01); E21B 10/60 (2006.01);
U.S. Cl.
CPC ...
E21B 10/02 (2013.01); Y10T 408/895 (2015.01); E21B 10/605 (2013.01);
Abstract

Implementations of the present invention include drilling tools having axially-tapered waterways that can increase flushing and bit life, while also decreasing clogging. According to some implementations of the present invention, the waterways can be radially tapered in addition to being axially tapered. The axially-tapered waterways can include notches extending into the cutting face of the drilling tools and/or slots enclosed within the crown of the drilling tools. Implementations of the present invention also include drilling systems including drilling tools having axially-tapered waterways, and methods of forming drilling tools having axially-tapered waterways.


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