Class   392	ELECTRIC RESISTANCE HEATING DEVICES
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This Class 392 is considered to be an integral part of Class 219 (see the Class 219 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 219.

HEATING DEVICES (CLASS 219 SUBCLASS 200)

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. (1 indent ) Borehole type

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.. (2 indent ) With heat exchange fluid

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.. (2 indent ) With vapor generator

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.. (2 indent ) Heating element surrounding delivery pipe

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.. (2 indent ) Suspended by cable in well

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.. (2 indent ) Plural separate heating devices

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. (1 indent ) Combined with nonelectric heating means (e.g., gas, etc.)

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.. (2 indent ) For heating liquid

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.. (2 indent ) Hot plate

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.. (2 indent ) Oven type

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. (1 indent ) Fluid-in-circuit type heater

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.. (2 indent ) Method

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.. (2 indent ) Portable

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.. (2 indent ) Continuous flow of fluid being heated

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... (3 indent ) With means to adjust current path between electrodes

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.... (4 indent ) Responsive to condition of fluid

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.... (4 indent ) Movable dielectric means

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... (3 indent ) Current control means

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... (3 indent ) With discharge member for line or tank

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... (3 indent ) Tube or pipe forms flow path

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.... (4 indent ) Pipe forms at least one electrode

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.. (2 indent ) With reservoir or tank

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... (3 indent ) With means to adjust current path between electrodes

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.. (2 indent ) Steam or vapor generator

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... (3 indent ) Line connected boiler

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.... (4 indent ) Control of electrode immersion level

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....• (5 indent ) By electrode current

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....• (5 indent ) By pressure

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.... (4 indent ) With means to adjust current path between elctrodes

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....• (5 indent ) Movable dielectric means

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.... (4 indent ) Electrode arrangement

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....• (5 indent ) Water jet electrode

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... (3 indent ) Manually filled tank or container

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.... (4 indent ) With means to adjust current path between electrodes

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.... (4 indent ) With supply interlock means

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.... (4 indent ) Separate electrode compartment

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....• (5 indent ) Electrode compartment removable from tank

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.. (2 indent ) Electrode details

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. (1 indent ) With heat storage means

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.. (2 indent ) Method

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.. (2 indent ) For fluid heating (e.g., gas or liquid, etc.)

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.. (2 indent ) For vaporization

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.. (2 indent ) For subsequent heating by radiation

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.. (2 indent ) For subsequent heating by convection

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.. (2 indent ) Means to control heating accumulating medium

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.. (2 indent ) Heat accumulating medium details

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. (1 indent ) Convection space heater

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.. (2 indent ) Artificial fire

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.. (2 indent ) Central heating type

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... (3 indent ) With air delivery duct

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.. (2 indent ) Floor furnace type

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.. (2 indent ) Baseboard type

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... (3 indent ) With baffle

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.. (2 indent ) With intermediate heat absorber

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... (3 indent ) Heated by radiant source

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.... (4 indent ) With fan blower

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... (3 indent ) With fluid heat absorber

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.... (4 indent ) By fan blower

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.... (4 indent ) Wall mounted

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.. (2 indent ) Forced air type

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... (3 indent ) Heating attachment for fan

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... (3 indent ) Fan with heated blades

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... (3 indent ) Wall mounted

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... (3 indent ) Ceiling mounted

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... (3 indent ) Portable

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.... (4 indent ) With fan position adjusting means

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.... (4 indent ) Multi-direction air outlet

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.... (4 indent ) With baffle

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....• (5 indent ) Counterflow

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.. (2 indent ) Wall mounted

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... (3 indent ) In wall cavity

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.. (2 indent ) Mounted in or on window or door

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.. (2 indent ) Portable

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... (3 indent ) With baffle

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.. (2 indent ) Combined with radiation

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... (3 indent ) With reflector

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... (3 indent ) With heat exchange fluid

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.... (4 indent ) In plural sections

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. (1 indent ) Concentrated heated air stream (i.e., blast)

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.. (2 indent ) For drying body part

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... (3 indent ) Wall mounted

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.. (2 indent ) With support

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.. (2 indent ) Portable

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... (3 indent ) With handle

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.... (4 indent ) Pistol-grip type

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. (1 indent ) Vaporizer

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.. (2 indent ) Method

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.. (2 indent ) For metal vapor deposition

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... (3 indent ) With crucible

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.. (2 indent ) With disposable evaporant cartridge or container

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.. (2 indent ) By radiant heat source

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.. (2 indent ) Wall mounted

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.. (2 indent ) By light bulb heat source

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.. (2 indent ) Liquid evaporant (e.g., water, etc.)

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... (3 indent ) With wick

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... (3 indent ) In continuous flow line connected heater

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.... (4 indent ) Pipe or tube forms flow path

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....• (5 indent ) With internal heating element

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... (3 indent ) Flash chamber

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... (3 indent ) In-line connected closed tank (i.e., pressurized)

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.... (4 indent ) With internal heating element

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... (3 indent ) In-line connected open tank or container (i.e., nonpressurized)

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... (3 indent ) Container with self-contained evaporant supply

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.... (4 indent ) Hand-held

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.... (4 indent ) With separate heating chamber

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....• (5 indent ) Removable

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. (1 indent ) Radiant heater

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.. (2 indent ) With filter or diffuser for radiant energy

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.. (2 indent ) Hand-held

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... (3 indent ) With air or gas circulation

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.. (2 indent ) Lamp banks (i.e., array of plural lamps)

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... (3 indent ) Adjustable lamps position

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.... (4 indent ) Adjustable individual lamp position

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... (3 indent ) Lamp banks form arch

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... (3 indent ) Lamp banks movable relative to stationary work during use

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.. (2 indent ) With chamber

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.. (2 indent ) For heating moving strand, web or sheet

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.. (2 indent ) With support for workpiece

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.. (2 indent ) Focussed radiant beam

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... (3 indent ) Plural reflectors

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... (3 indent ) Elliptical or ellipsoidal reflector

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.. (2 indent ) With reflector

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... (3 indent ) Elongated reflector

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.... (4 indent ) Heating element in transparent tubular envelope

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.... (4 indent ) With exposed radiant heating element

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... (3 indent ) Bowl-shaped reflector

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.... (4 indent ) Annular heating element concentric with reflector axis

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.... (4 indent ) Linear heating element aligned with reflector axis

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....• (5 indent ) Coiled on core

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... (3 indent ) Wall mounted

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... (3 indent ) Collapsible or foldable reflector

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.. (2 indent ) Radiant extended surface type heater

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... (3 indent ) With exposed radiant heating element

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.... (4 indent ) On ceramic support structure

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... (3 indent ) With heat radiating panel

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.... (4 indent ) Wall or ceiling mounted

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....• (5 indent ) Plural panels

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.... (4 indent ) Heating element formed as coating on radiating panel surface

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....• (5 indent ) Nonmetallic panel

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.. (2 indent ) Multi-direction radiant heat output

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. (1 indent ) Tank or container type liquid heater

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.. (2 indent ) Pour-in displacement discharge type tank

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.. (2 indent ) Flexible container (e.g., water bottle, etc.)

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.. (2 indent ) Portable container or tank

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... (3 indent ) Plural compartments

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... (3 indent ) With agitator

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... (3 indent ) With internally positioned heating element

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.... (4 indent ) Removably inserted through fill opening

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.. (2 indent ) Line connected tank

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... (3 indent ) Plural serially connected compartments

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... (3 indent ) With immersion heating element

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.... (4 indent ) With baffle or guard

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.... (4 indent ) Removably insertable into tubular receptacle in tank

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.... (4 indent ) Plural heating zones

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.... (4 indent ) With heating element mounting arrangements

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.... (4 indent ) With heat exchange fluid

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.... (4 indent ) With protecting means against galvanic corrosion

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... (3 indent ) With external heater

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.... (4 indent ) Clamped or secured to tank wall

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.... (4 indent ) Producing radiation

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.... (4 indent ) With externally mounted circulation-type heater

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....• (5 indent ) Laterally disposed (i.e., side-arm type)

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... (3 indent ) With timer controlled energization

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.... (4 indent ) Off-peak power

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. (1 indent ) Continuous flow type fluid heater

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.. (2 indent ) Method

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.. (2 indent ) With hot plate

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.. (2 indent ) Pipeline tracing

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... (3 indent ) Skin effect heater type (e.g., S.E.C.T., etc.)

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.. (2 indent ) Disposable cartridge, tube or bag forms heated flow path (e.g., blood bag, etc.)

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.. (2 indent ) Combined liquid flow heater and pump unit

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.. (2 indent ) Flexibe (e.g., hose, etc.)

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.. (2 indent ) Fluid heater carried on discharge member

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... (3 indent ) With flow control valve (e.g., faucet, etc.)

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.... (4 indent ) Valve turns heating element on and off

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... (3 indent ) Hand-held discharge member

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.... (4 indent ) With storage container for fluid to be heated

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.. (2 indent ) Fluid conveying tube or pipe comprising resistive heating element

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.. (2 indent ) Externally heated line connected section

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... (3 indent ) Pipe or tube forms flow path

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.... (4 indent ) Coiled

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... (3 indent ) Plural pipes or tubes form flow path

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... (3 indent ) Heating element producing radiation

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... (3 indent ) Block forms flow path

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.. (2 indent ) Heated line section with heating element internal of flow path

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... (3 indent ) Plural pipes or tubes form flow path

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... (3 indent ) With jacket for heating element

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... (3 indent ) Pipe or tube forms flow path

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.... (4 indent ) With jacket for heating element

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... (3 indent ) Plural heated line sections (e.g., series or parallel, etc.)

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... (3 indent ) With baffle-defined flow path

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.... (4 indent ) Producing counterflow circulation

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....• (5 indent ) Heating element integral with baffle

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... (3 indent ) Block forms flow path

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.. (2 indent ) Plural different fluids simultaneously heated

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.. (2 indent ) With heat exchange fluid

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. (1 indent ) Immersion heater details

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.. (2 indent ) With thermostatic control means

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.. (2 indent ) Buoyant in liquid

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.. (2 indent ) With plural heating elements

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.. (2 indent ) With particular mounting means

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.. (2 indent ) Having positive temperature coefficient

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.. (2 indent ) Particular sheath or jacket composition

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