ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,808, issued on May 27, was assigned to Thumbs Up Innovations Technology Co. Ltd. (Zhuhai, China).
"Water flosser" was invented by Jiacheng Huang (Guangdong, China), Lilin Xu (Guangdong, China) and Xiu Zou (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water flosser includes a shell, a pumping assembly and an oral rinse capsule. A water storage chamber and a liquid outlet communicated to the water storage chamber are provided inside the shell, and the liquid outlet is located at a bottom of the water storage chamber. The pumping assembly is arranged in the shell. A pumping port of the pumping assembly extends to a position, close ...