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. 29, 2016
Filed:
Aug. 12, 2013
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Joe A. Beisel, Duncan, OK (US);
Nicolas Rogozinski, Duncan, OK (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/13 (2006.01); E21B 33/05 (2006.01); E21B 17/02 (2006.01);
U.S. Cl.
CPC ...
E21B 33/05 (2013.01); E21B 17/02 (2013.01); Y10T 29/49895 (2015.01);
Abstract
Disclosed is an improved coupling for cement heads. One exemplary cement head includes a first module comprising a first end, a first outer surface, and a plurality of first protrusions extending radially outward from the first outer surface, each of the plurality of first protrusions comprising a first profile in which (i) a first engagement surface faces axially away from the first end and (ii) a first support surface forms a first oblique angle relative to an axis; and a bridge configured to engage the plurality of first protrusions.