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:
Jun. 15, 2021

Filed:

May. 01, 2018
Applicant:

Government of the United States of America, As Represented BY the Secretary of Commerce, Gaithersburg, MD (US);

Inventors:

Gregory Alan Cooksey, Gaithersburg, MD (US);

Paul Nathan Patrone, Silver Spring, MD (US);

Anthony Jose Kearsley, Hanover, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 1/66 (2006.01); G01F 1/66 (2006.01); G01F 1/704 (2006.01); C23C 16/00 (2006.01); G01P 5/26 (2006.01); G05D 7/00 (2006.01);
U.S. Cl.
CPC ...
G01F 1/661 (2013.01); C23C 16/00 (2013.01); G01F 1/704 (2013.01); G01P 5/26 (2013.01); G05D 7/00 (2013.01);
Abstract

An optical flow meter includes a substrate; a microchannel with a fluid receiver; a fluid transmitter; a fluid member with an optical interaction region; a photo interaction region; an analytical light path, such that analytical light interacts with an analyte in a photo interaction region subsequent to an interaction of a pre-analyte with activation light in an optical interaction region to produce analyte; and a detection light path disposed in the substrate, arranged at an oblique angle or right angle to the fluid member proximate to the photo interaction region, and that: receives the photoanalyte light from the photo interaction region; and communicates the photoanalyte light from the microchannel to a photodetector, the optical flow meter determines a flow rate of the analyte.


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