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. 11, 2015
Filed:
Jul. 30, 2012
Applicant:
Thorsten Schwefe, Virginia Water, GB;
Inventor:
Thorsten Schwefe, Virginia Water, GB;
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/62 (2006.01); E21B 7/06 (2006.01); E21B 10/43 (2006.01);
U.S. Cl.
CPC ...
E21B 10/62 (2013.01); E21B 7/064 (2013.01); E21B 10/43 (2013.01);
Abstract
A drill bit includes a pad configured to extend and retract from a surface of the drill bit. A force application device extends and retracts the pad. The force application device includes a hydraulically-operated rotating member coupled to a speed reduction device configured to apply a force on drive unit that applies a force on the pad to cause the pad to extend from the drill bit face.