CPC Definition - Subclass F25D
This place covers:
Refrigerators; cold rooms; ice-boxes; cooling or freezing apparatus not covered by any other subclass.
F24F: "air-conditioning" means the supply of air to rooms or spaces by means which provide for the treatment of the air in at least two of the following ways: heating-cooling-any other kind of treatment, e.g. humidification.
This place does not cover:
Refrigerated show cases | |
Thermally-insulated vessels for domestic use | |
Refrigerated vehicles | |
Containers with thermal insulation in general | |
Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants, or material for the production of heat or cold by chemical reactions other than by combustion | |
Cooling of engines or pumps | |
Thermally-insulated vessels for liquefied or solidified gases | |
Air-conditioning or air-humidification | |
Refrigeration machines, plants or systems | |
Production, working, storing or distribution of ice | |
Cooling of instruments and comparable apparatus without refrigeration |
Attention is drawn to the following places, which may be of interest for search:
Non-refrigerated containers specially adapted for transporting or storing living parts whilst preserving, e.g. cool boxes, blood bags or straws for seminal fluid | |
Cooling of specific food | |
Cooling of meat | |
Cooling of fruit | |
Cooling of ice cream | |
Cooling of food in general | |
Cooled garments | |
Casings for protecting, packaging, dispensing articles for surgery | |
Containers specially adapted for medical or pharmaceutical purposes | |
Cooling of protective clothing | |
Heat insulating devices, e.g. jackets for flasks, for laboratory | |
Conveyors | |
Laptop cooling | |
Coin-freed or like apparatus with heating or cooling means | |
Computer/electronics cooling |
Devices associated with refrigerating machinery: F25D 11/00-F25D 16/00
Details or features of the devices covered by groups F25D 1/00 - F25D 16/00: F25D 17/00-F25D 31/00
Only classify a household appliance when a refrigerator or freezer is mentioned or when a refrigerator or freezer is shown in the drawings. Always circulate to the following household appliance fields:
In this place, the following terms or expressions are 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. |
Classify in F25D 3/005 when only details of the heat exchanger are claimed.
When heat exchangers are combined with a cooling cycle: F25D 16/00.
When combined with or situated in refrigerators: F25D 11/006.
Not only use of ice, but also PCM's, i.e. Phase Change Materials, blue ice.
Attention is drawn to the following places, which may be of interest for search:
Special arrangement or features of devices using cold storage material | |
Type of cooled receptacles | |
Lunch or picnic boxes | |
Drinking glasses | |
Thermally insulated vessels with heat or cold storing elements or material for kitchen equipment | |
Cooling bags for medical or therapeutic treatment of human body | |
Containers with thermal insulation in general | |
Materials undergoing a change of state from liquid to solid | |
Using latent heat |
In case no details are claimed about cooling material, but only details about cooling box itself, no classification in F25D 3/08.
Special arrangements or features of devices using cold storage material are additionally classified in F25D 2303/08 and lower.
Features of the cooled receptacles are classified in F25D 2331/80 and lower.
Attention is drawn to the following places, which may be of interest for search:
For cooling semiconductor devices |
Only cooled rooms, otherwise classify in F25B 19/005
Classify in F25D 3/12 when CO2 snow (dry ice) is claimed or mentioned.
Conveyors in general | |
Stationary devices with conveyors carrying articles to be cooled through the cooling space | |
By conveyors | |
Using solidified gases with conveyors carrying articles to be cooled through the cooling space |
Attention is drawn to the following places, which may be of interest for search:
Solidiying carbon dioxide |
Classify in F25D 3/10 when liquid N2 is claimed or mentioned.
Attention is drawn to the following places, which may be of interest for search:
Using liquefied gases with conveyors carrying articles to be cooled through the cooling space | |
Stationary devices with conveyors carrying articles to be cooled through the cooling space | |
By conveyors | |
Conveyors in general |
This place covers:
Cooling by endothermic chemical reaction between substances triggered by for example rupturing/piercing a membrane.
This place covers:
The cooling effect is derived from the evaporation of water, for which a supply of heat is required.
This place does not cover:
Vacuum coolers | |
Butter or cheese dishes with cooling devices | |
Evaporative coolers |
Classification of devices using evaporation effects without recovery of the vapour at ambient pressure.
This place does not cover:
By forced circulation | |
Purses, travelling bags or baskets, suitcases | |
Hand carts | |
Containers for storage or transport of articles or materials |
In case cold accumulators are arranged inside a refrigerator.
Cold storage accumulators in devices not associated with refrigerating machinery and emphasize on heat exchanger itself, classify in F25D 3/005.
When heat exchangers are combined with a cooling system, classify in F25D 16/00.
Attention is drawn to the following places, which may be of interest for search:
Compression machines, plant, or systems, with several evaporator circuits, e.g. for varying refrigerating capacity |
Attention is drawn to the following places, which may be of interest for search:
Machines, plant, or systems, using primary and secondary systems |
Documents with one cooling compartment and sorption cycle classify in F25D 11/027 and F25D 11/00.
Attention is drawn to the following places, which may be of interest for search:
Using liquefied gases with conveyors carrying articles to be cooled through the cooling space | |
Using solidified gases with conveyors carrying articles to be cooled through the cooling space | |
By conveyors | |
Conveyors in general |
This place covers:
Products cooled by a cooling system at a remote place;
Devices for freezing of pipes for forming a frozen ice plug in a section of a pipe to be repaired.
Movable devices implies also refrigerators.
Classify also in F25D 17/02 in case of cooling by circulating a coolant.
Classify also in F25D 17/06 in case of cooling by cold air.
When heat exchangers are combined with a cooling system, classify in F25D 16/00.
In case cold accumulators are arranged inside a refrigerator, classify in F25D 11/006.
Cold storage accumulators in devices not associated with refrigerating machinery and emphasize on heat exchanger itself, classify in F25D 3/005.
Classification in F25B 25/005 when primary refrigeration cycle is important.
This place covers:
Circulation of air by natural convection.
This place does not cover:
Forced circulation of air is classified in |
Attention is drawn to the following places, which may be of interest for search:
Treating air flowing to refrigeration compartments | |
Preservation or chemical ripening of fruit or vegetables | |
Preservation of food in general | |
Disinfection, sterilization or deodorization of air | |
Filtering material for liquid or gaseous fluids | |
Ion generating apparatus |
Treating air flowing to refrigeration compartments by purification (dehumidification, humidification, deodorizing, ozone generator and uv-lamp) is additionally classified in F25D 2317/041 and lower.
Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment to store products under vacuum is additionally classified in F25D 2317/043. Vacuum cooling is classified in F25D 31/00.
This place covers:
Air dampers; Air valves.
Attention is drawn to the following places, which may be of interest for search:
Air flow control arrangements | |
Special arrangements or features of forced air circulation within refrigerated spaces | |
Ventilator details |
Circulation of air by natural convection is classified in F25D 17/04.
Control of air circulation is also classified in F25D 17/06.
Special arrangements or features of forced air circulation within refrigerated spaces are additionally classified in F25D 17/06 and lower.
Additionally classify in F25D 21/002 in case of defrost control.
This place covers:
Ducts for cooling by radiation, i.e. indirect cooling.
This place covers:
Mounting of complete refrigeration units.
This place does not cover:
Mounting of components of refrigerating machinery |
This place does not cover:
Classification in F25B 47/02 when frost is removed by heat of the refrigeration cycle.
This place does not cover:
Classification in F25B 47/02 when frost is removed by heat of the refrigeration cycle.
Attention is drawn to the following places, which may be of interest for search:
Alternate defrosting |
This place does not cover:
Passenger or goods spaces characterized by condensed liquid drainage means | |
Removing condensate in air-conditioning | |
Collecting and removing condensate for heat-exchangers |
Attention is drawn to the following places, which may be of interest for search:
Special arrangements or features of collecting condense or defrost water | |
Cooling refrigerating machinery |
Special arrangements or features of collecting condense or defrost water are additionally classified in F25D 21/14 and lower.
This place covers:
Cooling of compressor and condenser of refrigerated enclosures.
Attention is drawn to the following places, which may be of interest for search:
Special arrangements or details for cooling refrigerating machinery | |
Cooling of compressor or motor | |
Condensers with refrigerant heat exchange tubes positioned inside or around a vessel containing water or pcm to cool the refrigerant gas | |
Water-cooled condensers |
This place covers:
Mounting of components of refrigerating machinery.
This place does not cover:
Mounting of complete refrigeration units: |
Special arrangements or features for cooling refrigerating machinery are additionally classified in F25D 2323/002 and lower.
This place does not cover:
Details not related to door itself, e.g. hinges, handles, actuators, dispensers are classified in | |
Parts formed wholly or mainly of plastics materials | |
Transparent doors |
Attention is drawn to the following places, which may be of interest for search:
Special arrangements or details of doors or covers not otherwise covered | |
Night covers display case | |
Locks or fastenings | |
Doors |
F25D 23/08 takes precedence.
French doors are additionally classified in F25D 2323/021;
Doors that can be pivoted either left-handed or right-handed are additionally classified in F25D 2323/022.
Door in door constructions are additionally classified in F25D 2323/023.
This place does not cover:
Details of refrigerator doors are classified in F25D 23/02.
Attention is drawn to the following places, which may be of interest for search:
Handles | |
Locks or fastenings | |
Hinges |
All details not related to refrigerator door itself, e.g. hinges, handles, actuators, dispensers are classified in F25D 23/028.
Door hinges are additionally classified in F25D 2323/024.
Attention is drawn to the following places, which may be of interest for search:
Insulation | |
Collapsible walls | |
Inflatable walls | |
Details of cabinets, racks or shelf units | |
Shaping or joining of plastics; Shaping of substances in a plastic state, in general; after-treatment of shaped products, e.g. repairing | |
Foaming | |
Extrusion molding | |
Production of refrigerators | |
Insulation, layered products | |
Containers with thermal insulation | |
Insulation, vacuum panel | |
Supports for pipes, cables or protective tubing | |
Supports for pipes or cables inside other pipes or sleeves | |
Thermal insulation in general |
F25D 23/08 takes precedence.
Insulation (with respect to heat or sound) is additionally classified in F25D 2201/00.
Collapsible walls are additionally classified in F25D 2323/061.
Inflatable walls are additionally classified in F25D 2323/062.
Attention is drawn to the following places, which may be of interest for search:
Magnetic gaskets |
Attention is drawn to the following places, which may be of interest for search:
Refrigerator doors; covers | |
Special arrangements or details of the water filter for the water/ice dispenser | |
Special arrangements or details of the water tank for the water/ice dispenser | |
Filtering devices | |
Dispensing beverages | |
Ice dispenser |
Additionally classify in:
F25D 23/02 when details of the door are claimed.
F25C 5/22 when details of an ice dispenser are claimed.
F25D 2323/121 when special arrangements or details of the water filter are claimed.
F25D 2323/122 when special arrangements or details of the water tank are claimed.
Additionally classify in:
F25D 2331/80: Type of cooled receptacles.
Attention is drawn to the following places, which may be of interest for search:
Special arrangements or features of shelves with several possible configurations | |
Special arrangements or features of shelves made of glass or ceramic | |
Special arrangements or features of shelves made of wires | |
Type of cooled receptacles | |
Drawers, shelves | |
Show stands, hangers or shelves |
Additionally classify in:
F25D 2325/021: Special arrangements or features of shelves with several possible configurations
F25D 2325/022: Special arrangements or features of shelves made of glass or ceramic
F25D 2325/023: Special arrangements or features of shelves made of wires
F25D 2331/80: Type of cooled receptacles.
Attention is drawn to the following places, which may be of interest for search:
Type of cooled receptacles | |
Drawers |
Additionally classify drawers opened by sliding doors in F25D 23/021.
Attention is drawn to the following places, which may be of interest for search:
Using liquefied gases with conveyors carrying articles to be cooled through the cooling space | |
Using solidified gases with conveyors carrying articles to be cooled through the cooling space | |
Stationary devices with conveyors carrying articles to be cooled through the cooling space | |
Conveyors in general |
Shelves or drawers which can be adjusted in height are classified in A47B 57/06.
This place covers:
Lighting arrangements for lighting cooling enclosures, both inside and outside the enclosure.
Lighting in general: F21.
Attention is drawn to the following places, which may be of interest for search:
Special arrangements or features for lighting arrangements on the external side of the refrigerator, freezer or cooling box | |
Lighting devices | |
Circuit arrangements for electric light sources |
Attention is drawn to the following places, which may be of interest for search:
Control issues F25D | |
Arrangement or mounting of control or safety devices | |
Telecontrol of temperature | |
Inventory |
F25D 17/06 takes precedence;
F25D 21/00 takes precedence;
F25B 49/02 takes precedence, classify in F25D 29/00 to distinguish a refrigerator over a refrigeration cycle.
F25B 5/00 takes precedence, classify in F25D 29/00 or F25D 11/022 to distinguish a refrigerator over a refrigeration cycle.
Additional classification of control issues in F25D 2600/00.
Additional classification of means for sensing or measuring and sensors therefor in F25D 2700/00.
This place covers:
Mounting of control devices; Mounting of sensors to refrigeration devices
Mounting of sensors to refrigeration devices are classified in F25D 29/005/CCA.
This place covers:
Cooling by creating a vacuum.
This place does not cover:
Storing of products in a refrigerated enclosure under vacuum: |
This place does not cover:
Repectacle coolers |
Attention is drawn to the following places, which may be of interest for search:
Cooling of liquids with pour-throughs |
Attention is drawn to the following places, which may be of interest for search:
Type of cooled receptacles |
Attention is drawn to the following places, which may be of interest for search:
Type of cooled receptacles |
This place covers:
Pre-chilling of glasses.
Attention is drawn to the following places, which may be of interest for search:
Type of cooled receptacles; Glasses |