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DIFF Subgroup Additional Only
F25B 2313/021

Indoor unit or outdoor unit with auxiliary heat exchanger not forming part of the indoor or outdoor unit

Full Title

Compression machines, plants or systems with reversible cycle not otherwise provided for > Indoor unit or outdoor unit with auxiliary heat exchanger not forming part of the indoor or outdoor unit

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

Note: 5 CPC extensions are marked as secondary classification only.

Top Applicants

Top Applicants (IPC)

Class F25,2013–2023, worldwide · Source: EPO PATSTAT

  1. HAIER SMART HOME 13,215
  2. LG ELECTRONICS KR 8,561
  3. MIDEA 7,315
  4. GREE ELECTRIC APPLIANCES 6,041
  5. HEFEI MIDEA REFRIGERATOR COMPANY 5,211
  6. MITSUBISHI ELECTRIC CORPORATION JP 4,905
  7. HEFEI HUALING COMPANY 4,633
  8. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,697
  9. QINGDAO HAIER INTELLIGENT TECHNOLOGY RESEARCH ANDDEVELOPMENT COMPANY 3,376
  10. HAIER SMART HOME CN 3,265

Top Applicants (CPC)

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