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:
Mar. 16, 2010

Filed:

Feb. 06, 2007
Applicants:

Oscar Ken Chow, Simsbury, CT (US);

Lawrence Clinton Moulthrop, Windsor, CT (US);

Ken Wayne Dreier, Madison, CT (US);

Jacob Andrew Miller, Dexter, MI (US);

Inventors:

Oscar Ken Chow, Simsbury, CT (US);

Lawrence Clinton Moulthrop, Windsor, CT (US);

Ken Wayne Dreier, Madison, CT (US);

Jacob Andrew Miller, Dexter, MI (US);

Assignee:

Proton Energy Systems, Inc., Wallingford, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/26 (2006.01); G01N 27/40 (2006.01); G01N 27/404 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system to detect a presence of a specific gas in a mixture of gaseous byproducts comprising moisture vapor is disclosed. The system includes an electrochemical cell, a transport to deliver the mixture of gaseous byproducts from the electrochemical cell, a gas sensor in fluid communication with the transport, the sensor responsive to a presence of the specific gas to generate a signal corresponding to a concentration of the specific gas, and a membrane to prevent transmission of liquid moisture, the membrane disposed between the transport and the gas sensor.


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