GENEVA, July 7 -- TSINGHUA UNIVERSITY (No. 1, QinghuayuanHaidian DistrictBeijing 100084), 清华大学 (中国北京市海淀区清华园1号) filed a patent application (PCT/CN2024/127034) for "PRIMARY AND SECONDARY DOUBLE-ROW SHALLOW GROOVE MECHANICAL SEAL END SURFACE STRUCTURE SUITABLE FOR LASER PROCESSING" on Oct 24, 2024. With publication no. WO/2025/139288, the details related to the patent application was published on Jul 03, 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): HUANG, Weifeng (No. 1, Qinghuayua...