GENEVA, April 5 -- WANG, Hanlin (No.33, Huqing Road Shibei DistrictQingdao, Shandong 266000), 王涵琳 (中国山东省青岛市市北区湖清路33号) filed a patent application (PCT/CN2025/121718) for "SPIRAL AIR CLASSIFIER" on Sep 17, 2025. With publication no. WO/2026/067138, the details related to the patent application was published on Apr 02, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): WANG, Hanlin (No.33, Huqing Road, Shibei DistrictQingdao, Shandong 266000), 王涵琳 (...