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. 17, 2020

Filed:

Jun. 23, 2017
Applicant:

Hach Company, Loveland, CO (US);

Inventors:

Jim Duncan, Longmont, CO (US);

Aria Farjam, Dusseldorf, DE;

Jim Harbridge, Thornton, CO (US);

Brian Harmon, Loveland, CO (US);

Ulrich Lundgreen, Gutersloh, DE;

Darren MacFarland, Windsor, CO (US);

Leon Moore, Windsor, CO (US);

Perry Palumbo, Fort Collins, CO (US);

William Louis Pherigo, Jr., Loveland, CO (US);

Robert Stoughton, Boulder, CO (US);

Luke Waaler, Longmont, CO (US);

Assignee:

HACH COMPANY, Loveland, CO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L 3/00 (2006.01); G01N 1/10 (2006.01); G01N 33/18 (2006.01); G01N 21/25 (2006.01); G01N 21/78 (2006.01); G01N 31/22 (2006.01); G01N 21/03 (2006.01); G01N 21/05 (2006.01); G01N 21/59 (2006.01);
U.S. Cl.
CPC ...
G01N 33/18 (2013.01); B01L 3/508 (2013.01); B01L 3/5027 (2013.01); B01L 3/502715 (2013.01); B01L 3/545 (2013.01); G01N 21/03 (2013.01); G01N 21/0303 (2013.01); G01N 21/05 (2013.01); G01N 21/251 (2013.01); G01N 21/59 (2013.01); G01N 21/78 (2013.01); G01N 31/22 (2013.01); G01N 33/182 (2013.01); B01L 2300/021 (2013.01); B01L 2300/022 (2013.01); B01L 2300/0654 (2013.01); B01L 2300/0816 (2013.01); B01L 2300/0883 (2013.01); B01L 2300/12 (2013.01); B01L 2300/1827 (2013.01); B01L 2400/0487 (2013.01);
Abstract

An embodiment provides a method, including: operating a motor to position sample fluid within a fluid channel of a cuvette; transmitting light through an optical chamber of the cuvette; measuring a value of received light that has been transmitted through the optical chamber; comparing the measured value of light to one or more thresholds; determining a position of the sample fluid within the fluid channel based on a comparison from the comparing step; and generating a response based upon the position of the sample fluid with the fluid channel. Other aspects are described and claimed.


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