- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22D - Preheating, or accumulating preheated, feed-water for steam generationfeed-water supply for steam generationcontrolling water level for steam generationauxiliary devices for promoting water circulation within steam boilers
- F22D 1/50 - Feed-water heaters, e.g. preheaters incorporating thermal de-aeration of feed-water
Patent holdings for IPC class F22D 1/50
Total number of patents in this class: 37
10-year publication summary
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3
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2
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2
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1
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0
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1
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3
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5
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3
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6
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