(under subclass 107) Subject matter comprising means for the air to be directly exposed to water or another liquid.
(1) Note. Liquid contact is usually for air humidification, cooling, or purification.
(2) Note. Dehumidifying means are not included under this subclass definition.
SEE OR SEARCH THIS CLASS, SUBCLASS:
157, for other vehicles in which the inlet air is exposed to a liquid.
223, for a window ventilator having an air passage between the sill and the bottom of the sash in which the air is exposed to a liquid.
291, for a floor-type register in a building where the inlet air is exposed to a liquid. 328, for other types of registers in a building where the inlet air is exposed to a liquid.
337, for inlet airways for static structures, in general, (e.g., buildings) where the inlet air is exposed to a liquid.
SEE OR SEARCH CLASS
126, Stoves and Furnaces,
313, for air moistening attachments for stovepipes and subclass 508 for a fireplace with a room humidifier.
159, Concentrating Evaporators,
5, for concentrating evaporators designed to evaporate a liquid in film or thin layer form.
237, Heating Systems,
78+, for air moistening devices used in heating systems.
239, Fluid Sprinkling, Spraying, and Diffusing, for slow diffusers.
261, Gas and Liquid Contact Apparatus, appropriate subclasses for air moistening devices, per se, and
127+, for heating and cooling devices combined with moisteners for the air. Devices including significant ventilating structure and excluding specific heating or cooling structure will be found in this Class 454. 312, Supports: Cabinet Structure,
31+, for gas or vapor treatment of material contained within a cabinet structure.
