ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,912, issued on Oct. 14, was assigned to ESAB AB (Gothenburg, Sweden).
"Weld circuit calibration for arc voltage compensation" was invented by David Juliusson (Gothenburg, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method is performed in a welding or cutting system including a power supply configured to deliver current pulses through a weld circuit to a contact tip extending from a welding torch to create an arc on a workpiece. The method includes: while the contact tip is shorted to the workpiece to set an arc voltage equal to zero: sampling a current pulse to produce current values; and at a voltage sense point, on the power supply or ...