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:
Apr. 06, 2010

Filed:

Feb. 08, 2007
Applicants:

George Swietlik, Lowestoft, GB;

Robert Large, Lowestoft, GB;

Inventors:

George Swietlik, Lowestoft, GB;

Robert Large, Lowestoft, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/00 (2006.01); E21B 21/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A connector () which provides a fluid tight connection between a fluid supply and a drill-string (), the connector () comprising a piston-rod () and a cylinder (), the piston-rod () having a seal at or towards its free end which is adapted to sealingly engage the drill-string () when the piston-rod () is at least partially extended from the cylinder ().


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