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Who invented arc welding?

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The production of an arc between two carbon electrodes using a battery is credited to Sir Humphry Davy in 1800. In the mid-nineteenth century, the electric generator was invented and arc lighting became popular. During the late 1800s, gas welding and cutting was developed. read more

In the mid-nineteenth century, the electric generator was invented and arc lighting became popular. During the late 1800s, gas welding and cutting was developed. Arc welding with the carbon arc and metal arc was developed and resistance welding became a practical joining process. read more

USTPO records say Charles L Coffin was the first to patent Metal Arc Welding. That is not to say he’s the one who invented it. The first patent awarded for an automated welding method in the united states, was given to P.O. Nobel in 1920. read more

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History of Automotive Arc Welding Through Lincoln Electric ...
Source: dragzine.com