LandOfFree - US Patents - Listing for Metallurgical apparatus,Having means for contacting a solid metalliferous material...

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Device for charging materials into blast furnace

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With heating means – e.g. – flame contact

Patent

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Device for cooling a quenching bath of melted salt

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – By immersing an article to be treated in bath of molten...

Patent

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Device for cooling hot-rolled flat products

Metallurgical apparatus – Having means for contacting a solid metalliferous material...

Patent

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Device for cooling metal articles

Metallurgical apparatus – Having means for contacting a solid metalliferous material...

Patent

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Device for manufacturing curved helical springs

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With means changing the shape of a treated object – e.g.,...

Patent

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Device for rapidly cooling metal tubes

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With heating means – e.g. – flame contact

Patent

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Device for the surface hardening of workpieces of different leng

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With heating means – e.g. – flame contact

Patent

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Device for use when hardening

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With means to prevent warping of treated object

Reexamination Certificate

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Device tempering steel tubes

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With heating means – e.g. – flame contact

Patent

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Die quench machine and method

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With means to prevent warping of treated object

Patent

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Distributing and poking machine for metallurgical furnaces

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With heating means – e.g. – flame contact

Patent

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