ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,762, issued on Feb. 17, was assigned to FRESENIUS MEDICAL CARE HOLDINGS INC. (Waltham, Mass.).
"Liquid level detectors" was invented by David Yuds (Hudson, N.Y.) and Mark Googasian (Sandy, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "Liquid level detectors may include a pump for drawing liquid from a reservoir, a channel fluidically coupling the pump to the reservoir, and a J-tube connected to an end of the channel within the reservoir. The J-tube may include a first tube section and a second tube section extending along the first tube section. Perforations may extend between the first tube section and the second tube section. A pressure sens...