IPC Main Group
F24T 10/00 Geothermal collectors
Introduced: January 2018
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEATING; RANGES; VENTILATING
- Subclass:
- GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
Filing statistics
IPC F24T 10/00 belongs to the parent subclass F24T, which recorded 6,275 patent applications worldwide between 2013 and 2023. Annual filings grew from 84 in 2013 to 924 in 2023 (+1000%), peaking at 950 applications in 2020. The most active applicants in class F24 are MIDEA (21,834 applications), GREE ELECTRIC APPLIANCES (21,535 applications) and GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY (20,870 applications).
Source: EPO PATSTAT, worldwide filings
Additional Content
Devices for producing mechanical power from geothermal energy
4 direct subcodes
Child Classifications
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- F24T 10/1 with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
- F24T 10/2 using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
- F24T 10/3 using underground reservoirs for accumulating working fluids or intermediate fluids
- F24T 10/4 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
- MIDEA 21,834
- GREE ELECTRIC APPLIANCES 21,535
- GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 20,870
- QINGDAO HAIER AIR CONDITIONER COMPANY 15,443
- HAIER SMART HOME 15,442
- QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 10,008
- AUX AIR CONDITIONING COMPANY 7,723
- NINGBO AUX ELECTRIC COMPANY 7,499
- NINGBO FOTILE KITCHENWARE COMPANY 6,712
- LG ELECTRONICS KR 6,441