ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,349, issued on Sept. 23, was assigned to DAIHEN Corp. (Osaka, Japan).
"Arc welding control method" was invented by Kento Takada (Osaka, Japan), Tetsuo Era (Osaka, Japan) and Satoshi Arakane (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control method is provided for arc welding performed by repeating a short-circuit period and an arc period. The method includes: feeding a welding wire by a push-pull feeding control using a push-side feeding motor configured to rotate in a forward direction and a pull-side feeding motor configured to rotate in a forward direction and a reverse direction; temporarily storing a portion of the welding ...