with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground

Introduced: January 2018

Full Title

Geothermal collectors > with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2018.

Child Classifications

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F24T 10/13 using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes since 2018 IPC+CPC Available in IPC and CPC