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:
Sep. 09, 2025
Filed:
Jan. 28, 2020
Hewlett-packard Development Company, L.p., Spring, TX (US);
Robert Yraceburu, Vancouver, WA (US);
Elliott Michael Downing, Vancouver, WA (US);
Jody Lee Clayburn, Vancouver, WA (US);
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Abstract
A fluid level sensing system includes: a sensor electrode to extend into a fluid reservoir, the sensor electrode including (i) a first segment of a first material having a first conductivity, and (ii) a second segment of a second material having a second conductivity; and a controller connected to the sensor electrode, to: detect a response from the sensor electrode to an input applied to the fluid reservoir; and determine, based on the response, which of the first and second segments are in contact with fluid in the fluid reservoir.