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US3074704A
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Portable furnace
|
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US3120138A
|
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Pressure welding device
|
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US2730599A
|
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Pressure welding by induction heating
|
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US2784487A
|
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Method of building weld layers by fusing a plurality of weld rods
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US2623148A
|
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Welding joint and backing therefor
|
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US2708793A
|
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Gauging device
|
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US2640136A
|
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Electrode for underwater cutting
|
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US2457179A
|
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Coreless induction heater and method of making same
|
|
US2433018A
|
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Adjustable electrode holder
|
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US2440298A
|
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Method of brazing steel shaft and flange assemblies
|
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US2500204A
|
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Apparatus for supporting and manipulating workpieces
|
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US2410461A
|
|
Subaqueous arc-welding and cutting electrode
|
|
US2361962A
|
|
Method of metal-clading
|
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US2274742A
|
|
Welding apparatus
|
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US2188925A
|
|
Welding joint and chill ring therefor
|
|
US2176103A
|
|
Coreless induction heater
|
|
US2269484A
|
|
Automatic arc welding machine
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US2147673A
|
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Pipe joint annealing furnace
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US2106190A
|
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Arcronograph
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