ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,882, issued on Aug. 26, was assigned to PRO-IRODA INDUSTRIES INC. (Taichung, Taiwan).
"Torch head of blowtorch" was invented by Wei-Long Chen (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A torch head includes a head body portion and a nozzle system inserted into the head body portion. The nozzle system includes a suction seat, an inner tube, and an outer tube. The suction seat includes a first outer channel extending longitudinally and at least one side channel extending radially. The first outer channel and the at least one side channel are not connected with each other. The inner and the outer tubes are connected to the second ...