US PATENT SUBCLASS 165 / 201
.~ Having heating and cooling capability


Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

200  DF  WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL {14}
201.~ Having heating and cooling capability {13}
202  DF  .~.~> Vehicle installation {2}
205  DF  .~.~> Plural temperature regulators for plural zones {8}
222  DF  .~.~> Humidity control {2}
231  DF  .~.~> Congealed material (e.g., frost, etc.) or condensation removal or prevention {2}
234  DF  .~.~> Control of static pressure of conditioned space {1}
236  DF  .~.~> Control of heat storage
237  DF  .~.~> Means responsive to occupancy of space
238  DF  .~.~> Means storing set point for particular time of day (e.g., clock thermostat, etc.) {1}
240  DF  .~.~> Heat pump and supplemental heat source {1}
243  DF  .~.~> Means to reset supply air temperature or supply water temperature as function of heat load
244  DF  .~.~> Means to control fan or pump to regulate supply air flow or supply water flow {3}
248  DF  .~.~> Flow of air from outdoors controlled (e.g., minimum outside air, etc.) {2}
253  DF  .~.~> Temperature sensor controlling temperature {4}


DEFINITION

Classification: 165/201

Having heating and cooling capability:

(under subclass 200) Subject matter including a heating and cooling system capable of providing heating and cooling to an area at the same time or at different times.

SEE OR SEARCH CLASS

62, Refrigeration,

80+, for system with defrosting or frost inhibiting; and subclass 90 for refrigeration system with reheating.

99, Foods and Beverages: Apparatus,

468, 486+ for apparatus with automatic control or time means; subclass 470 for apparatus with sequential heating and cooling; and subclass 483 for apparatus having noncooking heat treatment of food.

236, Automatic Temperature and Humidity Regulation,

1, for control of heating and cooling; subclass 91 for thermostatic control of hot and cold; and appropriate subclasses for automatic temperature and humidity control mechanisms. 324, Electricity: Measuring and Testing,

760, for measuring and testing device with temperature control.

373, Industrial Electric Heating Furnaces,

113, for resistance furnace devices for cooling.

374, Thermal Measuring and Testing,

45, for thermal testing of a non-thermal quantity.

432, Heating, appropriate subclasses for a residual material heating apparatus or method.