QY

Qingfeng Yu

YC Yantai Jereh Petroleum Equipment & Technologies Co.: 1 patents #43 of 84Top 55%
📍 Shandong, MA: #5 of 6 inventorsTop 85%
Overall (2023): #290,612 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11850618 Nozzle assembly, ejecting device and ejecting method Yushuai GE, Fengwen Liu, Shiqi Li, Mingming YU 2023-12-26