Heat exchange

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SECTION I - CLASS DEFINITION

This class includes apparatus or process not provided for in other classes for transferring heat, or apparatus or process not provided for in other classes relating to an auxiliary device particularly adapted to be used with such heat transfer apparatus.

(1) Note. A patent including a claim having nominal recitation of structure external to this class in combination with significantly claimed heat transfer apparatus of this class is included in this class. A patent including a claim having significant recitation of structure external to this class is excluded from this class unless specifically provided for in this class. See Subclass References to the Current Class, below, for a subclass reference for a combination of a vehicle structure and significantly claimed heat transfer apparatus, and for a combination of a building structure and significantly claimed heat transfer apparatus.
(2) Note. Method of repairing, making, or assembling a heat exchanger is not provided in this class but is classified in an appropriate manufacturing class.
(3) Note. Any process claim appropriate for this class are classified in the subclass providing for structure used in the process.

 
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Subclass
Title
10
Heat collector		 664 Patents
41
WITH VEHICLE FEATURE		 601 Patents
45
GEOGRAPHICAL		 496 Patents
47
STRUCTURAL INSTALLATION		 488 Patents
80.4
Liquid cooled		 805 Patents
104.33
Cooling electrical device		 1101 Patents
153
With tube manifold		 482 Patents
185
HEAT TRANSMITTER		 1719 Patents
4
REGENERATOR		 150 Patents
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5
Cleaning		 79 Patents
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6
Movable heat storage mass with enclosure		 37 Patents
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7
With fluid handling system		 128 Patents
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8
Rotary heat collector		 247 Patents
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9
Seals		 167 Patents
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9.1
Checker brick structure		 39 Patents
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9.2
Gradated flow area, heat capacity or heat resistance		 19 Patents
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9.3
Having gas supply or exhaust manifold structure		 32 Patents
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9.4
In casing		 25 Patents
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11.1
WITH ALARM, INDICATOR, SIGNAL, REGISTER, RECORDER, TEST OR INSPECTION MEANS		 434 Patents
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11.2
Remotely controlled inspection means		 87 Patents
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200
WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL		 38 Patents
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201
Having heating and cooling capability		 33 Patents
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202
Vehicle installation		 216 Patents
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203
Plural temperature regulators for plural zones		 124 Patents
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204
Flow control of chest, foot, or defrost air in vehicle		 123 Patents
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