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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1/00
Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
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F28D1/02
with heat-exchange conduits immersed in the body of fluid
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F28D1/047
the conduits being bent, e.g. in a serpentine or zig-zag
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F28D1/0477
the conduits being bent in a serpentine or zig-zag
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F28D1/0478
the conduits having a non-circular cross-section
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