ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,245, issued on Jan. 27.
"Vacuum package machine" was invented by Weicheng Wei (Heyuan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to the field of vacuum package and discloses a vacuum package machine, which includes a lower housing, an upper turning cover rotationally disposed on the lower housing and a clamping component disposed between the lower housing and the upper turning cover. The lower housing is internally provided with a vacuum cavity configured to store water discharged from a package bag during vacuum pumping, and a water level probe is disposed in the vacuum cavity. The clamping component is configured ...