US Patent Issued to ShanDong JiaoTong University on Nov. 11 for "Color change block with detection feedback as well as spraying equipment" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,939, issued on Nov. 11, was assigned to ShanDong JiaoTong University (Jinan, China).

"Color change block with detection feedback as well as spraying equipment" was invented by Yong Fan (Jinan, China), Fuguang Yang (Jinan, China), Jiuhong Ruan (Jinan, China) and Guodong Li (Jinan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure belongs to the technical field of mechanical spraying, and a color change block with detection feedback as well as spraying equipment are provided. The color change block with detection feedback comprises a cleaning agent valve module, a color change micro valve module, a mixing pipe module and a tu...