ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,918, issued on Aug. 26, was assigned to ZHONGSHAN POWTEK APPLIANCES MFG. LTD. (Zhongshan, China).
"Portable water heater" was invented by Xianwei Feng (Zhongshan, China), Qi Yang (Zhongshan, China), Zhiyuan Ma (Zhongshan, China) and Deqing Chen (Zhongshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable water heater includes an inner bracket and a thermostatic chamber. A burner and a heat exchanger are arranged in the inner bracket. An upper end of the heat exchanger is provided with a fume collecting hood. The burner includes multiple fire rows arranged side by side, and the fire rows are connected to each other through a gas-distri...