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:
Dec. 30, 2008
Filed:
Oct. 12, 2004
Applicant:
Ralph Sutehall, Gwent, GB;
Inventor:
Ralph Sutehall, Gwent, GB;
Assignee:
Prysmian Cables & Systems Limited, Hampshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of determining the position of a blockage () in a passage () having a first end and a second end. The method comprises blowing a sealing device () into the passage to form a seal adjacent the blockage (), then blowing a gas into the passage from the first end, making at least one measurement concerning the gas blown into the passage from the first end and determining a distance D between the first end and the sealing device using the at least one measurement.