US Patent Issued to TONGYE TECHNOLOGIES DEVELOPMENT on July 1 for "Multifunctional central suction system capable of remote monitoring" (Chinese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,466, issued on July 1, was assigned to TONGYE TECHNOLOGIES DEVELOPMENT Co. LTD. (Tianjin, China).

"Multifunctional central suction system capable of remote monitoring" was invented by Hua Yin (Tianjin, China), Jin Ma (Tianjin, China) and Ying Zhang (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multifunctional central suction system capable of remote monitoring includes a flow measurement device and a controller, wherein a negative pressure port of the flow measurement device is connected to a negative pressure air nozzle of the controller via a gas pipe; the flow measurement device includes a measurement mechanism and a liquid bott...