The invention provides a welding arrangement designed to respond to the need of an improved welding system that aids in supplying filler material to a weld location. Provided is a welding system including a welding gun and a welding wire feed directly coupled to the welding gun. The welding gun includes...http://www.google.com/patents/US8026456?utm_source=gb-gplus-sharePatent US8026456 - TIG welding system and method
