CPC Subgroup Additional Only
F24D 2200/16 Waste heat
Full Title
Heat sources or energy sources > Waste heat
10 direct subcodes
Child Classifications
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- F24D 2200/18 Flue gas recuperation
- F24D 2200/19 Fuel cells
- F24D 2200/20 Sewage water
- F24D 2200/22 Ventilation air
- F24D 2200/24 Refrigeration
- F24D 2200/26 Internal combustion engine
- F24D 2200/28 Biological processes
- F24D 2200/29 Electrical devices, e.g. computers, servers
- F24D 2200/30 Friction
- F24D 2200/31 Air conditioning systems
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