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:
Nov. 28, 2017
Filed:
Apr. 10, 2014
Applicant:
The Charles Machine Works, Inc., Perry, OK (US);
Inventor:
Floyd R. Gunsaulis, Perry, OK (US);
Assignee:
The Charles Machine Works, Inc., Perry, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/04 (2006.01); E21B 10/26 (2006.01); E21B 7/20 (2006.01); E21B 7/30 (2006.01);
U.S. Cl.
CPC ...
E21B 7/046 (2013.01); E21B 7/205 (2013.01); E21B 7/30 (2013.01); E21B 10/26 (2013.01);
Abstract
A reamer for use in horizontal directional drilling back-reaming operations. The reamer comprises an elongate body having an intermediate section, a first end, and a second end. The circumference of the intermediate section is larger than the circumference of the first end and the second end. A pocket or a plurality of pockets are formed on the intermediate section. The pockets are configured such that a cutter or a plurality of cutters may be secured within the pockets via the use of fasteners. The cutters are replaceable with cutters of like size or cutters of different sizes and shapes.