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:
Jul. 14, 2015
Filed:
Oct. 28, 2010
Applicants:
Wilhelmus Hubertus Paulus Maria Heijnen, Stromberg, DE;
David Ian Brink, Houston, TX (US);
Inventors:
Wilhelmus Hubertus Paulus Maria Heijnen, Stromberg, DE;
David Ian Brink, Houston, TX (US);
Assignee:
MAERSK OIL QATAR A/S, Copenhagen K, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/00 (2006.01); E21B 4/18 (2006.01); E21B 33/127 (2006.01); E21B 7/06 (2006.01); E21B 7/26 (2006.01); E21B 23/14 (2006.01);
U.S. Cl.
CPC ...
E21B 4/18 (2013.01); E21B 23/14 (2013.01); E21B 33/127 (2013.01); E21B 2023/008 (2013.01);
Abstract
A device for moving in a tubular channel comprises two gripper fluidly connected via a pump. A first gripper comprises a fluid. The pump is adapted to inflate a second gripper by pumping the fluid from the first gripper to the second gripper. The grippers comprises a flexible member contained in a woven member. The flexible member provides fluid-tightness and the woven member provides the shape of the grippers.