Electric heating – Metal heating – Nonatmospheric environment at hot spot
Reexamination Certificate
2005-02-14
2008-09-30
Kerns, Kevin P (Department: 1793)
Electric heating
Metal heating
Nonatmospheric environment at hot spot
C219S130100
Reexamination Certificate
active
07429712
ABSTRACT:
A welding-type device and gas system for use therewith are disclosed. The gas system of the welding-type device includes a canister that is constructed to contain a shielding gas therein and is connectable to the welding-type device. The canister is sized to be mounted to the welding-type device when it is attached thereto such that the welding-type device can be efficiently and conveniently transported from one location to another with the source of shielding gas securely affixed thereto.
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Albrecht Bruce
Breitbach John
Pilarski John H.
Stanzel Kenneth A.
Woodward Ronald
Illinois Tool Works Inc.
Kerns Kevin P
Ziolkowski Patent Solutions Group, SC
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