1
Craig L Campbell, Mark S Fullen, Michael J Skinner: Welding head. MTS Systems Corporation, Westman Champlin & Kelly PA, March 13, 2001: US06199745 (69 worldwide citation)

A welding head including upper and lower probe members and probe pin. The upper and lower probe members are independently actuatable and biased to follow the profile of a workpiece and supply a balance load to opposed surfaces of a workpiece during welding operation.


2
Frank G Arcella, Bradley A Cleveland, Mark S Fullen: Control system for depositing powder to a molten puddle. MTS Systems Corporation, Westman Champlin & Kelly P A, August 12, 2003: US06605795 (16 worldwide citation)

An imaging system for controlling powder aiming in a molten puddle. In the imaging system of the present invention, an image processor extracts a first image of the molten puddle and a second image of a powder envelope from a composite image of the weld area. The first and second processed images pr ...