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US5709544A
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Dual seal for a vacuum heat treating furnace
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Hybrid heat treating furnace
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Heat treating furnace with removable floor, adjustable heating element support, and threaded ceramic gas injection nozzle
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Gas shrouded electrode for a plasma carburizing furnace
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Gas cooling system for processing furnace
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Two-way vent cap for controlled atmosphere furnace
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Heat-insulated telemetry system for vacuum furnace
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Heat treating furnace with graphite heating elements
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Electric heat treating furnace with quickly serviceable heating assembly components
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Gas nozzle for a heat treating furnace
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Heat treating furnace with heating element hangers and radiation shield spacers
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