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CPC Main Group Additional Only
F25B 2313/00

Compression machines, plants or systems with reversible cycle not otherwise provided for

Filing statistics

CPC F25B 2313/00 belongs to the parent subclass F25B, which recorded 121,123 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,227 in 2013 to 10,966 in 2023 (+52%), peaking at 13,018 applications in 2018. The most active applicants in class F25 are LG ELECTRONICS (9,415 applications), HAIER SMART HOME (8,015 applications) and MITSUBISHI ELECTRIC CORPORATION (5,758 applications).

Source: EPO PATSTAT, worldwide filings

15 direct subcodes

Child Classifications

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  • F25B 2313/001 with two or more accumulators
  • F25B 2313/002 geothermal
  • F25B 2313/003 Indoor unit with water as a heat sink or heat source
  • F25B 2313/004 Outdoor unit with water as a heat sink or heat source
  • F25B 2313/005 Outdoor unit expansion valves
  • F25B 2313/006 two pipes connecting the outdoor side to the indoor side with multiple indoor units
  • F25B 2313/007 three pipes connecting the outdoor side to the indoor side with multiple indoor units
  • F25B 2313/008 Refrigerant heaters
  • F25B 2313/009 indoor unit in circulation with outdoor unit in first operation mode, indoor unit in circulation with an other heat exchanger in second operation mode or outdoor unit in circulation with an other heat exchanger in third operation mode

Top Applicants

Top 10 applicants by patent filingsfor class F25, 2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 9,415
  2. HAIER SMART HOME 8,015
  3. MITSUBISHI ELECTRIC CORPORATION JP 5,758
  4. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,827
  5. MIDEA 3,769
  6. GREE ELECTRIC APPLIANCES 3,417
  7. HAIER SMART HOME CN 3,403
  8. SAMSUNG ELECTRONICS COMPANY KR 3,329
  9. DAIKIN INDUSTRIES JP 2,908
  10. HEFEI MIDEA REFRIGERATOR COMPANY 2,186