Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
John Whitsitt0
Philippe Gambier0
Jose F. Garcia0
Date of Patent
June 17, 2008
0Patent Application Number
111625590
Date Filed
September 14, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A dynamic inflatable sealing device for maintaining the pressure within an inflatable element at least substantially equal to the pressure in the annulus to maintain the inflatable element in a sealing position. The dynamic sealing device includes an inflatable element forming an internal chamber, the inflatable element expandable to sealing engagement with a wall, and a dynamic valve mechanism in operational connection between the internal chamber and exterior of the internal chamber substantially communicating the pressure external of the inflatable element to the internal chamber.
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