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:
Mar. 21, 1989
Filed:
Feb. 19, 1988
Applicant:
Inventors:
David C Miller, Downers Grove, IL (US);
Arthur R Brown, Warrenville, IL (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73 492 ; 210222 ; 210695 ;
Abstract
The method for detecing leaks in an above ground storage tank by sensing changes in conductivity along a line intersecting an interface between the liquid product in the tank and water in the tank with a leak detector includes the step of collecting magnetic metal contaminants to prevent magnetizable particles from fouling the sensing of changes of conductivity.