US Patent Issued to Illinois Tool Works on June 10 for "Gas control system and method for a reflow soldering furnace" (Chinese Inventors)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,089, issued on June 10, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Gas control system and method for a reflow soldering furnace" was invented by Shenghu Yan (Suzhou New District, China), Peng Shu (Suzhou New District, China) and Dong Zhang (Suzhou New District, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a gas control system and method for a reflow soldering furnace, comprising: an oxygen detecting device, capable of coming into contact with a gas in a furnace chamber, for detecting an oxygen concentration in the furnace chamber; an intake valve device, for controllably establishing fluid ...