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CPC
F22D3/10
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Parent Industries
F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F22
Steam generation
F22D
PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FEED-WATER SUPPLY CONTROLLING WATER LEVEL AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS
F22D3/00
Accumulators for preheated water
Current Industry
F22D3/10
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Patents Grants
last 30 patents
Information
Patent Grant
1535440
Patent number
1,535,440
Issue date
Apr 28, 1925
F22 - STEAM GENERATION
Information
Patent Grant
1508254
Patent number
1,508,254
Issue date
Sep 9, 1924
F22 - STEAM GENERATION