ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,063, issued on June 30, was assigned to SHANDONG CHANGJIANG WATER-SAVING IRRIGATION TECHNOLOGY Co. LTD. (Jinan, China).

"Anti-blocking drip infiltration pipe strip" was invented by Shiming Meng (Jinan, China), Xianwu Meng (Jinan, China), Juan Du (Jinan, China) and Qunying Sun (Jinan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An anti-blocking drip infiltration pipe strip is provided, relating to the technical field of agricultural irrigation water delivery. The anti-blocking drip infiltration pipe strip includes a drip infiltration pipe strip, a dripper is arranged on the drip infiltration pipe strip, a shielding layer is connected to an o...