ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,554, issued on March 24, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Welding protection device with haptic sensing" was invented by Stefan G. Gustavsson (Falun, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A welding protection device that includes a shield body, an automatic darkening filter insertable in the shield body, and a haptic sensing unit to sense a touch pattern occurring on the shield body or automatic darkening filter assembly. Upon sensing of a touch pattern, a user definable command is executed that can place the welding protection device in a specific operational state."
The patent was filed on Sept. 15...