US3196699A
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Actuating mechanism
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US3026099A
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Conveyor for heat treating furnace
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US3163694A
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Recirculating heat treating furnace
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US3010495A
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Log notching machine
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US2896775A
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Transfer mechanism
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US2972352A
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Washer
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US2961005A
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Gas mixing device
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US2854013A
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Quenching apparatus
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US2842349A
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Transfer mechanism for conditioning apparatus
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US2861596A
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Heat exchanger baffle system
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US2815305A
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Method of and apparatus for heat treating metal parts
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US2730352A
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Ceramic fan construction for heat treating furnaces
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US2800317A
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Heat treating furnace
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US2788205A
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Baffle type heat treating furnace
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US2822798A
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Burner tube assembly for heat treating furnaces
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US2774505A
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Work tray
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US2681136A
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Transfer mechanism
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US2747590A
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Washer for workpieces
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US2688808A
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Conditioning apparatus
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US2747855A
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Heat treating apparatus
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