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

Chengmei Zhou

PL Petrochina Company Limited: 1 patents #1 of 7Top 15%
Overall (2025): #419,647 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12331601 Device and method for continuous mixing of solid drag reducer Pengfei Chen, Honggang Chang, Gang Xiong, Youquan Liu, Yadong Zhang +1 more 2025-06-17