ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,249, issued on July 1.

"Vacuum adsorber" was invented by Guixiang Yang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum adsorber includes a housing having an accommodating cavity and an opening communicating with the accommodating cavity; an integrated vacuum pump arranged inside the accommodating cavity; a control panel arranged inside the accommodating cavity and controllably connected with the integrated vacuum pump; wherein the control panel is controllably connected with a photoelectric switch; a power-up assembly having a guide piece and a shading movement portion; and an activating piece covering inside the opening of t...