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

Lianpan Duan

📍 Shandong, CN: #177 of 611 inventorsTop 30%
Overall (2025): #305,747 of 469,880Top 70%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12215582 Fracturing pump spacer frame Junlei YAO, Feng Wang 2025-02-04