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PCE
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DIFF Subgroup
F24S 40/50

Preventing overheating or overpressure (by draining the working fluid F24S40/60)

Introduced: January 2018

Title

Titles differ between systems:

IPC: Preventing overheating or overpressure

CPC: Preventing overheating or overpressure (by draining the working fluid F24S40/60)

Full Title

Full titles differ between systems:

IPC:

Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors > Preventing overheating or overpressure

CPC:

Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors (control arrangements F24S50/00) > Preventing overheating or overpressure (by draining the working fluid F24S40/60)

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2018.

Child Classifications

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  • F24S 40/52 by modifying the heat collection, e.g. by defocusing or by changing the position of heat-receiving elements since 2018 IPC+CPC Available in IPC and CPC
  • F24S 40/53 by venting solar heat collector enclosures since 2018 IPC+CPC Available in IPC and CPC
  • F24S 40/55 Arrangements for cooling, e.g. by using external heat dissipating means or internal cooling circuits (by venting F24S40/53) since 2018 IPC+CPC Available in IPC and CPC
  • F24S 40/57 Preventing overpressure in solar collector enclosures (by venting F24S40/53) since 2018 IPC+CPC Available in IPC and CPC
  • F24S 40/58 Preventing overpressure in working fluid circuits since 2018 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F24,2013–2023, worldwide · Source: EPO PATSTAT

  1. MIDEA 21,834
  2. GREE ELECTRIC APPLIANCES 21,535
  3. GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 20,870
  4. QINGDAO HAIER AIR CONDITIONER COMPANY 15,443
  5. HAIER SMART HOME 15,442
  6. QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 10,008
  7. AUX AIR CONDITIONING COMPANY 7,723
  8. NINGBO AUX ELECTRIC COMPANY 7,499
  9. NINGBO FOTILE KITCHENWARE COMPANY 6,712
  10. LG ELECTRONICS KR 6,441

Top Applicants (CPC)

Class F24,2013–2023, worldwide · Source: EPO PATSTAT

  1. GREE ELECTRIC APPLIANCES 11,167
  2. QINGDAO HAIER AIR CONDITIONER COMPANY 9,225
  3. HAIER SMART HOME 8,998
  4. MIDEA 8,874
  5. GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 8,724
  6. LG ELECTRONICS KR 7,258
  7. MITSUBISHI ELECTRIC CORPORATION JP 7,009
  8. QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 6,104
  9. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,544
  10. NINGBO AUX ELECTRIC COMPANY 3,302