ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,032, issued on Nov. 25, was assigned to Shenzhen Longood Intelligent Electric Co. Ltd (ShenZhen, China).
"Vacuum packaging device" was invented by Wenfeng Hu (ShenZhen, China), Jun Zhu (ShenZhen, China) and Guanlin Li (ShenZhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a vacuum packaging device having a hollow area on the shell that allows garbage bags pass through vertically. The clamping portion of the fixture partially closes and clamps the garbage bag located in the hollow area through a closing action, and the poking portion on the inner side of the clamping portion pokes out an air hole in the locale...