GENEVA, July 2 -- BLUE ANGEL ENERGY INC. filed a patent application (US2025/020045) for “HETEROGENEOUS HEAT TRANSFER STRUCTURES FOR GEOTHERMAL ENERGY RECOVERY”. With publication no. WO/2025/194108, here are the other details related to the patent application:
Kind: Correction of entry in Section I of the PCT Gazette [A8]
IPC: E21B 43/267
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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