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US2573848A
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Pipe transfer apparatus
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US2599847A
|
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Entry guide for seamless tube plug rolling mills
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US2551722A
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Apparatus for coating tube interiors
|
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US2525176A
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Disconnectible register operating device for billet sawing machines
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US2541866A
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Stock charging tray
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US2576782A
|
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Method of making hot mill tools
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US2528651A
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Tandem rotary expanding mill
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US2550842A
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Machine for straightening pipe
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US2501532A
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Method of controlling deoxidation of steel and adding alloys thereto
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US2529440A
|
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Shield for electromagnets
|
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US2505847A
|
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Expansible wedge
|
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US2555256A
|
|
Pipe-line pipe
|
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US2551484A
|
|
Metal cask or tank with belt weld
|
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US2485492A
|
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Device for sampling molten metal in a ladle or the like
|
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US2527429A
|
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Checker-brick
|
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US2508914A
|
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Pipe coupling
|
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US2491004A
|
|
Pipe coupling
|
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US2468738A
|
|
Method of blowing in blast furances
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US2542878A
|
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Conveying apparatus for furnaces
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US2549705A
|
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Cold-reducing tubular sections
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