US Patent Issued to Hewlett-Packard Development on Sept. 9 for "Composite electrode fluid level sensing" (Washington Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,663, issued on Sept. 9, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).

"Composite electrode fluid level sensing" was invented by Robert Yraceburu (Vancouver, Wash.), Elliott Michael Downing (Vancouver, Wash.) and Jody Lee Clayburn (Vancouver, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 respo...