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. 06, 2019
Filed:
Jul. 20, 2017
Applicant:
Touchsensor Technologies, Llc, Wheaton, IL (US);
Inventor:
Randall Philipson, Naperville, IL (US);
Assignee:
TOUCHSENSOR TECHNOLOGIES, LLC, Wheaton, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 23/26 (2006.01); D06F 39/08 (2006.01);
U.S. Cl.
CPC ...
G01F 23/268 (2013.01); G01F 23/265 (2013.01); G01F 23/266 (2013.01); D06F 39/087 (2013.01);
Abstract
A fluid level sensor includes fluid sensing electrodes, reference electrodes, and a controller. The reference electrodes compensate for temperature fluctuations about the fluid electrodes. The controller determines fluid level based on the response of the fluid electrodes to the presence of the fluid in proximity thereto.