IPC Main Group
F25D 21/00 Defrosting; Preventing frosting; Removing condensed or defrost water
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
- Subclass:
- REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
Related Keywords
DEFROSTING of refrigerators
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F25D 21/02 Detecting the presence of frost or condensate
- F25D 21/04 Preventing the formation of frost or condensate
- F25D 21/06 Removing frost
- F25D 21/14 Collecting or removing condensed and defrost water; Drip trays