GENEVA, Nov. 6 -- YUNNAN DESIGN INSTITUTE GROUP CONSTRUCTION CO., LTD filed a patent application (CN2025/133697) for “PISTON-TYPE UNDERWATER ACOUSTIC TRANSDUCER FOR SUPPRESSING HARMONICS BY MEANS OF ANTISYMMETRIC COMPENSATION OF STRUCTURAL STIFFNESS AND COUPLE FACTOR”. With publication no. WO/2026/227723, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: B06B 1/04
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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