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Re-radiating heat shield
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Patent number 4,595,358
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Issue date Jun 17, 1986
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Wean United, Inc.
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Vladimir B. Ginzburg
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Melting furnace cover
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Patent number 4,580,974
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Issue date Apr 8, 1986
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Kaiser Aluminum & Chemical Corporation
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Ronald F. Braschler
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F27 - FURNACES KILNS OVENS RETORTS
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Furnace lining module
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Patent number 4,425,749
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Issue date Jan 17, 1984
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Manville Service Corporation
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William H. Parker
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F27 - FURNACES KILNS OVENS RETORTS
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Furnace wall construction
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Patent number 4,411,621
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Issue date Oct 25, 1983
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Thomas M. Miller
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F27 - FURNACES KILNS OVENS RETORTS
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