GENEVA, July 31 -- SHENZHEN JISU TECHNOLOGY CO., LTD filed a patent application (CN2025/142955) for “PORTABLE ACTIVE NOISE REDUCTION FAN, AND ACTIVE NOISE REDUCTION METHOD FOR PORTABLE FAN”. With publication no. WO/2026/157671, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: F04D 29/66
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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