INTERNATIONAL PATENT: CAO, PENGNIAN, 曹彭年 FILES APPLICATION FOR "LOW-NOISE ENERGY-SAVING ROOTS PUMP AND THREE-LOBE ROTOR"

GENEVA, Sept. 28 -- CAO, Pengnian (Room 1001, No. 44, Changyang XinyuanYangpu District, Shanghai 200090), 曹彭年 (中国上海市杨浦区长阳新苑44号1001室) filed a patent application (PCT/CN2025/081536) for "LOW-NOISE ENERGY-SAVING ROOTS PUMP AND THREE-LOBE ROTOR" on Mar 10, 2025. With publication no. WO/2025/195211, the details related to the patent application was published on Sep 25, 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): CAO, Ying (Room 1001, No. 44, Changyang XinyuanYangpu District, ...