GENEVA, Dec. 21 -- ZHANG, Shunhang (No. 166, Nantangjia Village, Rushankou Town, Rushan CityWeihai, Shandong 264200), 张顺航 (中国山东省威海市乳山市乳山口镇南唐家村166号) filed a patent application (PCT/CN2025/099824) for "OIL-FREE AIR COMPRESSOR HEAD AND GAS-POUCH-TYPE AIR COMPRESSOR" on Jun 09, 2025. With publication no. WO/2025/256488, the details related to the patent application was published on Dec 18, 2025.
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): ...