WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS (refrigerated show cases A47F 3/04; thermally-insulated vessels for domestic use A47J 41/00; refrigerated vehicles, see the appropriate subclasses of classes B60 to B64; containers with thermal insulation in general B65D 81/38; heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants, or materials for the production of heat or cold by chemical reactions other than by combustion C09K 5/00; thermally-insulated vessels for liquefied or solidified gases F17C; air-conditioning or air-humidification F24F; refrigeration machines, plants or systems F25B; cooling of instruments and comparable apparatus without refrigeration G12B; cooling of engines or pumps, see the relevant classes)

  NOTE - In this subclass, the following term is used with the meaning indicated:
  - "device" means an enclosed space to be cooled; such devices being associated either with refrigerating machinery, e.g. in a refrigerator, or with other cold sources, e.g. in an ice-box.

  Attention is drawn to Note (2) following the title of subclass F24F.

  Devices not associated with refrigerating machinery

F25D 1/00 Devices using naturally cold air or cold water

F25D 1/02 ・using naturally cold water, e.g. household tap water

F25D 3/00 Devices using other cold materials; Devices using cold-storage bodies

F25D 3/005 ・{combined with heat exchangers}

F25D 3/02 ・using ice, e.g. ice-boxes

F25D 3/04 ・・Stationary cabinets

F25D 3/045 ・・・{Details}

F25D 3/06 ・・Movable containers

F25D 3/08 ・・・portable, i.e. adapted to be carried personally

F25D 3/10 ・using liquefied gases, e.g. liquid air {(for cooling semiconductor devices H01L 23/445)}

F25D 3/102 ・・{Stationary cabinets}

F25D 3/105 ・・{Movable containers}

F25D 3/107 ・・{portable, i.e. adapted to be carried personally}

F25D 3/11 ・・with conveyers carrying articles to be cooled through the cooling space

F25D 3/12 ・using solidified gases, e.g. carbon-dioxide snow

F25D 3/122 ・・{Stationary cabinets}

F25D 3/125 ・・{Movable containers}

F25D 3/127 ・・{Stationary devices with conveyers carrying articles to be cooled through the cooling space}

F25D 3/14 ・・portable, i.e. adapted to be carried personally

F25D 5/00 Devices using endothermic chemical reactions, e.g. using frigorific mixtures

F25D 5/02 ・portable, i.e. adapted to be carried personally

F25D 7/00 Devices using evaporation effects without recovery of the vapour (butter or cheese dishes with cooling devices A47G 19/26)

F25D 9/00 Devices not covered by groups F25D 1/00 to F25D 7/00; Combinations of devices covered by two or more of the groups F25D 1/00 to F25D 7/00

F25D 9/005 ・{using fluorinated halogenous hydrocarbons}

  Devices associated with refrigerating machinery

F25D 11/00 Self-contained movable devices, e.g. domestic refrigerator

F25D 11/003 ・{Transport containers}

F25D 11/006 ・{with cold storage accumulators}

F25D 11/02 ・with cooling compartments at different temperatures

F25D 11/022 ・・{with two or more evaporators}

F25D 11/025 ・・{using primary and secondary refrigeration systems}

F25D 11/027 ・・{of the sorption cycle type}

F25D 11/04 ・specially adapted for storing deep-frozen articles (F25D 11/02 takes precedence)

F25D 13/00 Stationary devices, e.g. cold-rooms

F25D 13/02 ・with several cooling compartments, e.g. refrigerated locker systems

F25D 13/04 ・・the compartments being at different temperatures

F25D 13/06 ・with conveyers carrying articles to be cooled through the cooling space

F25D 13/062 ・・{with refrigerated conveyers}

F25D 13/065 ・・{Articles being submerged in liquid coolant}

F25D 13/067 ・・{with circulation of gaseous cooling fluid}

F25D 15/00 Devices not covered by group F25D 11/00 or F25D 13/00, e.g. non-self-contained movable devices

F25D 16/00 Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery

  Details or features of the devices covered by groups F25D 1/00 to F25D 16/00

F25D 17/00 Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces

F25D 17/005 ・{in cold rooms}

F25D 17/02 ・for circulating liquids, e.g. brine

F25D 17/04 ・for circulating air, e.g. by convection

F25D 17/042 ・・{Air treating means within refrigerated spaces (air conditioning in general F24F)}

F25D 17/045 ・・・{Air flow control arrangements}

F25D 17/047 ・・・{Pressure equalising devices}

F25D 17/06 ・・by forced circulation

F25D 17/062 ・・・{in household refrigerators}

F25D 17/065 ・・・・{with compartments at different temperatures}

F25D 17/067 ・・・{Evaporator fan units}

F25D 17/08 ・・・using ducts

F25D 19/00 Arrangement or mounting of refrigeration units with respect to devices {or objects to be refrigerated, e.g. infra-red detectors}

F25D 19/003 ・{with respect to movable containers}

F25D 19/006 ・{Thermal coupling structure or interface}

F25D 19/02 ・plug-in type

F25D 19/04 ・with more than one refrigeration unit

F25D 21/00 Defrosting; Preventing frosting; Removing condensed or defrost water (removing ice or water from heat-exchange apparatus in general F28F 17/00; heating arrangements specially adapted for transparent or reflecting areas H05B 3/84)

F25D 21/002 ・{Defroster control}

F25D 21/004 ・・{Control mechanisms (F25D 21/006 takes precedence)}

F25D 21/006 ・・{with electronic control circuits}

F25D 21/008 ・・{by timer}

F25D 21/02 ・Detecting the presence of frost or condensate

F25D 21/025 ・・{using air pressure differential detectors}

F25D 21/04 ・Preventing the formation of frost or condensate

F25D 21/06 ・Removing frost (defrosting cycles F25B 47/02)

F25D 21/065 ・・{by mechanical means}

F25D 21/08 ・・by electric heating

F25D 21/10 ・・by spraying with fluid

F25D 21/12 ・・by hot-fluid circulating system separate from the refrigerant system

F25D 21/125 ・・・{the hot fluid being ambient air}

F25D 21/14 ・Collecting or removing condensed and defrost water; Drip trays

F25D 23/00 General constructional features (F25D 21/00 takes precedence)

F25D 23/003 ・{for cooling refrigerating machinery}

F25D 23/006 ・{for mounting refrigerating machinery components}

F25D 23/02 ・Doors; Covers (F25D 23/08 takes precedence){locks or fastenings E05B 65/0042}

F25D 23/021 ・・{Sliding doors}

F25D 23/023 ・・{Air curtain closures}

F25D 23/025 ・・{Secondary closures}

F25D 23/026 ・・{for open-top cabinets}

F25D 23/028 ・・{Details}

F25D 23/04 ・・with special compartments, e.g. butter conditioners

F25D 23/06 ・Walls (F25D 23/08 takes precedence; containers with thermal insulation B65D 81/38)

F25D 23/061 ・・{with conduit means}

F25D 23/062 ・・{defining a cabinet}

F25D 23/063 ・・・{formed by an assembly of panels}

F25D 23/064 ・・・{formed by moulding, e.g. moulding in situ}

F25D 23/065 ・・{Details}

F25D 23/066 ・・・{Liners}

F25D 23/067 ・・・{Supporting elements}

F25D 23/068 ・・・{Arrangements for circulating fluids through the insulating material}

F25D 23/069 ・・{Cooling space dividing partitions}

F25D 23/08 ・Parts formed wholly or mainly of plastics materials

F25D 23/082 ・・{Strips}

  NOTE - F25D 23/082 only.

F25D 23/085 ・・・{Breaking strips}

F25D 23/087 ・・・{Sealing strips}

F25D 23/10 ・Arrangements for mounting in particular locations, e.g. for built-in type, for corner type

F25D 23/12 ・Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove

F25D 23/123 ・・{Butter compartment}

F25D 23/126 ・・{Water cooler}

F25D 25/00 Charging, supporting, and discharging the articles to be cooled

F25D 25/005 ・{using containers}

F25D 25/02 ・by shelves

F25D 25/021 ・・{combined with trays}

F25D 25/022 ・・{Baskets}

F25D 25/024 ・・{Slidable shelves}

F25D 25/025 ・・・{Drawers}

F25D 25/027 ・・{Rotatable shelves}

F25D 25/028 ・・{Cooled supporting means}

F25D 25/04 ・by conveyers (in general B65G)

F25D 27/00 Lighting arrangements (in general F21)

F25D 27/005 ・{combined with control means}

F25D 29/00 Arrangement or mounting of control or safety devices

F25D 29/001 ・{for cryogenic fluid systems}

F25D 29/003 ・{for movable devices}

F25D 29/005 ・{Mounting of control devices}

F25D 29/006 ・{Safety devices}

F25D 29/008 ・{Alarm devices}

F25D 31/00 Other cooling or freezing apparatus

F25D 31/001 ・{Plate freezers}

F25D 31/002 ・{Liquid coolers, e.g. beverage cooler (receptacle coolers F25D 31/006)}

F25D 31/003 ・・{with immersed cooling element}

F25D 31/005 ・{Combined cooling and heating devices}

F25D 31/006 ・{specially adapted for cooling receptacles, e.g. tanks}

F25D 31/007 ・・{Bottles or cans}

F25D 31/008 ・・{Drinking glasses}

F25D 2201/00 Insulation

F25D 2201/10 ・with respect to heat

F25D 2201/12 ・・using an insulating packing material

F25D 2201/122 ・・・of loose fill type

F25D 2201/124 ・・・of fibrous type

F25D 2201/126 ・・・of cellular type

F25D 2201/1262 ・・・・with open cells

F25D 2201/128 ・・・of foil type

F25D 2201/1282 ・・・・with reflective foils

F25D 2201/14 ・・using subatmospheric pressure

F25D 2201/30 ・with respect to sound F25D 2230/00 F25D 2240/00 F25D 2250/00 F25D 2260/00 F25D 2270/00

F25D 2300/00 Special arrangements or features for refrigerators; cold rooms; ice-boxes; Cooling or freezing apparatus not covered by any other subclass F25D 2303/00

F25D 2303/08 ・Devices using cold storage material, i.e. ice or other freezable liquid

F25D 2303/081 ・・using ice cubes or crushed ice

F25D 2303/082 ・・disposed in a cold storage element not forming part of a container for products to be cooled , e.g. ice pack or gel accumulator

F25D 2303/0821 ・・・the element placed in a compartment which can be opened without the need of opening the container itself

F25D 2303/0822 ・・・Details of the element

F25D 2303/08221 ・・・・Fasteners or fixing means for the element

F25D 2303/08222 ・・・・Shape of the element

F25D 2303/08223 ・・・・・having the shape of an ice cube

F25D 2303/083 ・・using cold storage material disposed in closed wall forming part of a container for products to be cooled

F25D 2303/0831 ・・・the liquid is disposed in the space between the walls of the container

F25D 2303/0832 ・・・the liquid is disposed in an accumulator pack locked in a closable wall forming part of the container

F25D 2303/084 ・・Position of the cold storage material in relationship to a product to be cooled

F25D 2303/0841 ・・・external to the container for a beverage, e.g. a bottle, can, drinking glass or pitcher

F25D 2303/0842 ・・・inside the beverage contained in a bottle, can, drinking glass, pitcher or dispenser

F25D 2303/0843 ・・・on the side of the product

F25D 2303/0844 ・・・above the product

F25D 2303/0845 ・・・below the product

F25D 2303/0846 ・・・around the neck of a bottle

F25D 2303/085 ・・Compositions of cold storage materials F25D 2317/00

F25D 2317/04 ・Treating air flowing to refrigeration compartments

F25D 2317/041 ・・by purification

F25D 2317/0411 ・・・by dehumidification

F25D 2317/04111 ・・・・Control means therefor

F25D 2317/0413 ・・・by humidification

F25D 2317/04131 ・・・・Control means therefor

F25D 2317/0415 ・・・by deodorizing

F25D 2317/0416 ・・・using an ozone generator

F25D 2317/0417 ・・・using an UV-lamp

F25D 2317/043 ・・by creating a vacuum in a storage compartment

F25D 2317/06 ・with forced air circulation

F25D 2317/061 ・・through special compartments

F25D 2317/062 ・・along the inside of doors

F25D 2317/063 ・・with air guides

F25D 2317/065 ・・characterised by the air return

F25D 2317/0651 ・・・through the bottom

F25D 2317/0652 ・・・through the corner

F25D 2317/0653 ・・・through the mullion

F25D 2317/0654 ・・・through the side

F25D 2317/0655 ・・・through the top

F25D 2317/066 ・・characterised by the air supply

F25D 2317/0661 ・・・from the bottom

F25D 2317/0662 ・・・from the corner

F25D 2317/0663 ・・・from the mullion

F25D 2317/0664 ・・・from the side

F25D 2317/0665 ・・・from the top

F25D 2317/0666 ・・・from the freezer

F25D 2317/0667 ・・・from the refrigerator

F25D 2317/067 ・・characterised by air ducts

F25D 2317/0671 ・・・Inlet ducts

F25D 2317/0672 ・・・Outlet ducts

F25D 2317/068 ・・characterised by the fans

F25D 2317/0681 ・・・Details thereof

F25D 2317/0682 ・・・Two or more fans

F25D 2317/0683 ・・・the fans not of the axial type

F25D 2317/0684 ・・・the fans allowing rotation in reverse direction F25D 2321/00

F25D 2321/14 ・Collecting condense or defrost water; Removing condense or defrost water

F25D 2321/141 ・・Removal by evaporation

F25D 2321/1411 ・・・using compressor heat

F25D 2321/1412 ・・・using condenser heat or heat of desuperheaters

F25D 2321/1413 ・・・using heat from electric elements or using an electric field for enhancing removal

F25D 2321/142 ・・characterised by droplet guides

F25D 2321/143 ・・characterised by means to fix, clamp, or connect water pipes or evaporation trays

F25D 2321/144 ・・characterised by the construction of drip water collection pans

F25D 2321/1441 ・・・inside a refrigerator

F25D 2321/1442 ・・・outside a refrigerator

F25D 2321/145 ・・characterised by multiple collecting pans

F25D 2321/146 ・・characterised by the pipes or pipe connections

F25D 2321/147 ・・characterised by capillary, wick, adsorbent, or evaporation elements F25D 2323/00

F25D 2323/0011 ・Means for leveling refrigerators

F25D 2323/002 ・Details for cooling refrigerating machinery

F25D 2323/0021 ・・using air guides

F25D 2323/0022 ・・using multiple air flows

F25D 2323/0023 ・・Control of the air flow cooling refrigerating machinery

F25D 2323/0024 ・・Filters in the air flow cooling refrigerating machinery

F25D 2323/0026 ・・characterised by the incoming air flow

F25D 2323/00261 ・・・through the back bottom side

F25D 2323/00262 ・・・through the back top side

F25D 2323/00263 ・・・through the back corner side

F25D 2323/00264 ・・・through the front bottom part

F25D 2323/00265 ・・・through the front top part

F25D 2323/00266 ・・・through the bottom

F25D 2323/00267 ・・・through the side

F25D 2323/00268 ・・・through the top

F25D 2323/0027 ・・characterised by the out-flowing air

F25D 2323/00271 ・・・from the back bottom

F25D 2323/00272 ・・・from the back top

F25D 2323/00273 ・・・from the back corner

F25D 2323/00274 ・・・from the front bottom

F25D 2323/00275 ・・・from the front top

F25D 2323/00276 ・・・from the bottom

F25D 2323/00277 ・・・from the side

F25D 2323/00278 ・・・from the top

F25D 2323/0028 ・・characterised by the fans

F25D 2323/00281 ・・・Two or more fans

F25D 2323/00282 ・・・the fans not of the axial type

F25D 2323/00283 ・・・the fans allowing rotation in reverse direction

F25D 2323/00284 ・・・Details thereof

F25D 2323/02 ・Details of doors or covers not otherwise covered

F25D 2323/021 ・・French doors

F25D 2323/022 ・・Doors that can be pivoted either left-handed or right-handed

F25D 2323/023 ・・Door in door constructions

F25D 2323/024 ・・Door hinges

F25D 2323/06 ・Details of walls not otherwise covered

F25D 2323/061 ・・Collapsible walls

F25D 2323/062 ・・Inflatable walls

F25D 2323/121 ・the refrigerator is characterised by a water filter for the water/ice dispenser

F25D 2323/122 ・the refrigerator is characterised by a water tank for the water/ice dispenser F25D 2325/00

F25D 2325/021 ・Shelves with several possible configurations

F25D 2325/022 ・Shelves made of glass or ceramic

F25D 2325/023 ・Shelves made of wires F25D 2327/00

F25D 2327/001 ・Lighting arrangements on the external side of the refrigerator, freezer or cooling box F25D 2331/00

F25D 2331/80 ・Type of cooled receptacles

F25D 2331/801 ・・Bags

F25D 2331/8011 ・・・to be carried on the back of a person

F25D 2331/8012 ・・・for cosmetics

F25D 2331/8013 ・・・for playing golf

F25D 2331/8014 ・・・for medical use

F25D 2331/8015 ・・・Pouches

F25D 2331/802 ・・Barrels

F25D 2331/803 ・・Bottles

F25D 2331/804 ・・Boxes

F25D 2331/8041 ・・・for drinking

F25D 2331/805 ・・Cans

F25D 2331/8051 ・・・for holding milk

F25D 2331/806 ・・Dispensers

F25D 2331/807 ・・Eggs

F25D 2331/808 ・・Glasses

F25D 2331/809 ・・Holders

F25D 2331/81 ・・Pitchers

F25D 2331/811 ・・Pour-throughs

F25D 2331/812 ・・Trays

F25D 2400/00 General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass

F25D 2400/02 ・Refrigerators including a heater

F25D 2400/04 ・Refrigerators with a horizontal mullion

F25D 2400/06 ・Refrigerators with a vertical mullion

F25D 2400/08 ・Refrigerator tables

F25D 2400/10 ・Refrigerator top-coolers

F25D 2400/12 ・Portable refrigerators

F25D 2400/14 ・Refrigerator multi units

F25D 2400/16 ・Convertible refrigerators

F25D 2400/18 ・Aesthetic features

F25D 2400/20 ・Carts specially adapted for transporting objects to be cooled

F25D 2400/22 ・Cleaning means for refrigerating devices

F25D 2400/24 ・Protection against refrigerant explosions

F25D 2400/26 ・Refrigerating devices for cooling wearing apparel, e.g. garments, hats, shoes or gloves.

F25D 2400/28 ・Quick cooling

F25D 2400/30 ・Quick freezing

F25D 2400/32 ・Removal, transportation or shipping of refrigerating devices from one location to another

F25D 2400/34 ・Temperature balancing devices

F25D 2400/36 ・Visual displays

F25D 2400/361 ・・Interactive visual displays

F25D 2400/38 ・Refrigerating devices characterised by wheels

F25D 2400/40 ・Refrigerating devices characterised by electrical wiring

F25D 2500/00 Problems to be solved

F25D 2500/02 ・Geometry problems

F25D 2500/04 ・Calculation of parameters

F25D 2500/06 ・Stock management

F25D 2600/00 Control issues

F25D 2600/02 ・Timing

F25D 2600/04 ・Controlling heat transfer

F25D 2600/06 ・Controlling according to a predetermined profile

F25D 2700/00 Means for sensing or measuring; Sensors therefor

F25D 2700/02 ・Sensors detecting door opening

F25D 2700/04 ・Sensors detecting the presence of a person

F25D 2700/06 ・Sensors detecting the presence of a product

F25D 2700/08 ・Sensors using Radio Frequency Identification (RFID)

F25D 2700/10 ・Sensors measuring the temperature of the evaporator

F25D 2700/12 ・Sensors measuring the inside temperature

F25D 2700/121 ・・of particular compartments

F25D 2700/122 ・・of freezer compartments

F25D 2700/123 ・・more than one sensor measuring the inside air temperature in a compartment

F25D 2700/14 ・Sensors measuring the temperature outside the refrigerator or freezer

F25D 2700/16 ・Sensors measuring the temperature of products

--- Edited by Muguruma Professional Engineer Office(C), 2013 ---