ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,196, issued on Aug. 25, was assigned to NINGBO UNIVERSITY (Ningbo, China).

"Energy-based material design methods for designing protective panels against specific-sized hails, protective panels and protection systems" was invented by Luoyu Roy Xu (Ningbo, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Soft material design methods for developing protective panels against a hail with a diameter of more than 25 mm are provided, wherein the protective panel comprises a soft material layer. The methods comprise: selecting a material for the soft material layer, wherein the material has a Young's modulus Esm in a range of 1 MPa to 150 MPa, preferably...