ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,768, issued on May 5, was assigned to MEGA P&C ADVANCED MATERIALS (SHANGHAI) COMPANY Ltd. (Shanghai).
"Rain erosion test device and system" was invented by Victor Law (Shanghai) and Vida Liu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rain erosion test device includes an integrated double-wing blade and a drive assembly. The integrated double-wing blade is symmetrical around the center of the integrated double-wing blade, and rotatable around the center in the horizontal plane. A rain erosion sample mold fixing mechanism is provided on a leading edge adjacent to each of two ends of the integrated double-wing blade. The drive assembly is...