GENEVA, July 31 -- DE'ANFU (TIANJIN) AUTOMOTIVE TECHNOLOGY CO., LTD. filed a patent application (CN2025/147105) for “CYCLIC SAMPLING DEVICE AND SAMPLING METHOD FOR CANISTER BLEED EVAPORATIVE EMISSION SEALED CHAMBER”. With publication no. WO/2026/157825, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: G01N 1/22
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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