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.:
Date of Patent:
Aug. 25, 2015
Filed:
May. 23, 2012
Applicants:
David Alan Ashman, Portland, OR (US);
Timothy Alan Higgins, Fort Collins, CO (US);
Lawrence B. Marsh, Frederick, MD (US);
Inventors:
David Alan Ashman, Portland, OR (US);
Timothy Alan Higgins, Fort Collins, CO (US);
Lawrence B. Marsh, Frederick, MD (US);
Assignee:
Hach Company, Loveland, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 7/18 (2006.01); G01L 7/14 (2006.01);
U.S. Cl.
CPC ...
G01L 7/14 (2013.01);
Abstract
One aspect provides a method including determining that an absolute pressure sensor is not submersed in a fluid; measuring an atmospheric pressure with the absolute pressure sensor to determine an offset pressure measurement; submersing the absolute pressure sensor in a fluid; and measuring pressure with the absolute pressure sensor; wherein a compensated pressure measurement of the fluid is determined. Other embodiments are disclosed.