CPC Main Group
F24T 10/00 Geothermal collectors
5 direct subcodes
Child Classifications
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- F24T 10/10 with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
- F24T 10/20 using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
- F24T 10/30 using underground reservoirs for accumulating working fluids or intermediate fluids
- F24T 10/40 operated without external energy sources, e.g. using thermosiphonic circulation or heat pipes
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