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CPC Subgroup
F24S 40/40

Preventing corrosion; Protecting against dirt or contamination

Full Title

Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors (control arrangements F24S50/00) > Preventing corrosion; Protecting against dirt or contamination

4 direct subcodes

Child Classifications

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  • F24S 40/42 Preventing condensation inside solar modules (by venting F24S40/53)
  • F24S 40/44 Draining rainwater or condensation
  • F24S 40/46 Maintaining vacuum, e.g. by using getters
  • F24S 40/48 Deaerating or degassing the working fluid

Top Applicants

Top 10 applicants by patent filingsfor 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