US Patent Issued to NINGBO RICHEN ELECTRICAL APPLIANCE on Dec. 9 for "Device for supplying liquid at constant amount and method for controlling same" (Chinese Inventor)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,305, issued on Dec. 9, was assigned to NINGBO RICHEN ELECTRICAL APPLIANCE Co. LTD (Ningbo, China).

"Device for supplying liquid at constant amount and method for controlling same" was invented by Yin Zhou (Ningbo Province, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a device for supplying liquid at a constant amount and a method for controlling the same, and the device for supplying liquid at a constant amount comprises a constant amount chamber, an input pump, an output pump, a liquid level detection device, and a controller; the input pump is provided with an input pump liquid feeding pipe and an input pump liquid discharging...