ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,919, issued on Aug. 26.
"Heater" was invented by Zhaofu Zhou (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heater is provided, including: a heater body and a driving controller; the heater body includes: a heating stick and a temperature probe; the driving controller includes a controller housing and a control circuit board; the control circuit board includes: an input protection module; a rectification and filtering module connected to the input protection module; a power conversion module connected to the rectification and filtering module; a 5V output module connected to the power conversion module; a main control module conne...