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.:

US 6870356 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 22, 2005

Filed:

Apr. 11, 2003
Applicants:

Neal S. Murray, Hamburg, NY (US);

Henry G. Kleinfelder, Jr., Orchard Park, NY (US);

Kevin D. Niles, Lockport, NY (US);

Inventors:

Neal S. Murray, Hamburg, NY (US);

Henry G. Kleinfelder, Jr., Orchard Park, NY (US);

Kevin D. Niles, Lockport, NY (US);

Assignee:

S-T-N Holdings, Inc., Las Vegas, NV (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N027/00 ; G01R027/08 ;
U.S. Cl.
CPC ...
Abstract

A method of mapping voltage potential along a metal structural member extending underground through a range of depths comprises the steps of providing a voltage meter having positive and negative terminals, a reference electrode connected to the positive terminal, and a half-cell connected to the negative terminal; forming at least one hole in the ground alongside the structural member; contacting the reference electrode with the structural member at an aboveground location; and positioning the half-cell at a series of test points in the hole(s) and taking a series of voltage potential measurements respectively corresponding to the series of test points, wherein the test points are located at different depths. Preferably, the method further comprises the step of plotting test point depth versus voltage potential. A novel drill bit for drilling the hole through earth comprises a common wood-boring auger shank and a flat masonry-style drill bit tip.


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Murray, Neal. (2005). Method and apparatus for vertical voltage potential mapping (U.S. Patent No. 6870356). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6870356

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