Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F28
HEAT EXCHANGE IN GENERAL
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F28D
HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
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20/00
Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
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F28D2020/0065
Details, e.g. particular heat storage tanks, auxiliary members within tanks
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F28D2020/0082
Multiple tanks arrangements, e.g. adjacent tanks, tank in tank
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