ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,213, issued on Sept. 8, was assigned to CENTAL VICTORY Ltd. HK (Hong Kong).
"Gear pump for microvaporizer cartridge" was invented by Haojun Xie (Guangxi, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump (34) is configured to pressurize fluid in a microvaporizer (10). The pump includes a chamber (42) bounded by a chamber wall (43) with an inlet opening (55) configured to receive fluid and an outlet opening (57) configured to discharge fluid. The chamber has a circular cross-section. The pump further includes a rotatable impeller (44) positioned within the chamber and a shaft (46) extending through a center of the impeller. The impeller is ...