Arc Welding and Arc Metal Heating Patents

Pile	Symbol	Digest Title	Explore	Docs
	b-2	Arc Welding / Arc Metal Heating Hardware Facets and Aspects	→	31944
	b-5681	Arc Welding Procedural Aspects -- methods and other non-hardware facets	→	23359
	b-6280	General Characteristics of the Document	→	7880
	b-6315	United States Subclasses associated with arc welding / heating	→	15192
	b-6417	CPC subclasses associated with arc welding / heating	→	36852