CPC Subgroup
F24S 40/50 Preventing overheating or overpressure (by draining the working fluid F24S40/60)
Full Title
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)
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F24S 40/52 by modifying the heat collection, e.g. by defocusing or by changing the position of heat-receiving elements
- F24S 40/53 by venting solar heat collector enclosures
- F24S 40/55 Arrangements for cooling, e.g. by using external heat dissipating means or internal cooling circuits (by venting F24S40/53)
- F24S 40/57 Preventing overpressure in solar collector enclosures (by venting F24S40/53)
- F24S 40/58 Preventing overpressure in working fluid circuits
Top Applicants
Top 10 applicants by patent filingsfor class F24, 2013–2023, worldwide · Source: EPO PATSTAT
- GREE ELECTRIC APPLIANCES 11,167
- QINGDAO HAIER AIR CONDITIONER COMPANY 9,225
- HAIER SMART HOME 8,998
- MIDEA 8,874
- GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 8,724
- LG ELECTRONICS KR 7,258
- MITSUBISHI ELECTRIC CORPORATION JP 7,009
- QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 6,104
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,544
- NINGBO AUX ELECTRIC COMPANY 3,302