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. 18, 2015
Filed:
Sep. 04, 2008
Applicants:
George Swietlik, Oulton Broad, GB;
Stephen John Mcloughlin, Apse Heath, GB;
Inventors:
George Swietlik, Oulton Broad, GB;
Stephen John McLoughlin, Apse Heath, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/07 (2006.01);
U.S. Cl.
CPC ...
E21B 17/07 (2013.01); E21B 17/073 (2013.01);
Abstract
A downhole device comprising a mandrel suitable for connection to a drilling assembly, a housing surrounding the mandrel with the housing being suitable for connection to the alternate end of a drilling assembly and a compensating mechanism configured to adjust an axial force applied to said mandrel by changing the relative position of the mandrel with respect to the housing.