Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
CZ

Changxiao Zuo

YC Yantai Jereh Petroleum Equipment & Technologies Co.: 1 patents #37 of 83Top 45%
Overall (2025): #419,553 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12287046 Valve seat, plug valve, and fracturing manifold Jinling HUANG, Shulin ZHANG, Jixin Wang, Anpeng GE, Yilong ZHU 2025-04-29