QY

Qiong Yang

SC Sichuan Honghua Petroleum Equipment Co.: 1 patents #1 of 9Top 15%
Overall (2025): #248,389 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12331784 Crosshead part and crosshead system for drilling pumps and the drilling pumps Fangfang Zhang, Weili Huang, Jian Cheng 2025-06-17