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.

Date of Patent:
Nov. 23, 2010

Filed:

Sep. 27, 2007
Applicants:

Chang-dong Feng, Long Beach, CA (US);

Beth M. Covey, Tustin, CA (US);

Wayne B. Wood, Silverado, CA (US);

Inventors:

Chang-Dong Feng, Long Beach, CA (US);

Beth M. Covey, Tustin, CA (US);

Wayne B. Wood, Silverado, CA (US);

Assignee:

Rosenmount Analytical Inc., Irvine, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/30 (2006.01); G01N 27/401 (2006.01); G01N 27/403 (2006.01); G01N 27/36 (2006.01);
U.S. Cl.
CPC ...
Abstract

A pH sensor is provided. The pH sensor includes a body, a glass electrode, a reference electrode and a solution ground. The glass electrode is disposed on the body to contact a liquid sample. The reference electrode has a reference fill solution disposed within the body. The solution ground electrode is operably coupled to the body and has a portion of the solution ground electrode that is disposed within a harbor such that a portion of the solution ground electrode is configured to contact the liquid sample. The body has a passageway that extends from the reference fill solution to an aperture proximate the liquid sample.


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