GENEVA, Nov. 30 -- NIE, Mingrui (Room 3003, Building 10, Shanyucheng Phase 3, Furong North Road, Kaifu DistrictChangsha, Hunan 410000), 聂明锐 (中国湖南省长沙市开福区芙蓉北路山语城三期十栋3003) filed a patent application (PCT/CN2025/089031) for "DEEP-WELL HIGH-SPEED VERTICAL PUMP HAVING DYNAMIC PRESSURE-BALANCED DYNAMIC SEAL" on Apr 15, 2025. With publication no. WO/2025/241774, the details related to the patent application was published on Nov 27, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Inte...