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USPTO Patent Rankings Data through Dec 31, 2025
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Chunqiang Lan — 2 Patents

Overall (All Time): N/A of 4,157,543
2 Patents All Time
Chunqiang Lan has been granted 2 US patents. All of these patents were granted in 2025.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12460631 Fracturing apparatus Shyr-Shy Chang, Shimin Cui, Lin LV, Jiajie ZHONG, Shanwu Fu +2 more 2025-11-04
12442370 Fracturing equipment having multiple electric-power supplies Kaipeng Liu, Shouzhe LI, Zhuqing Mao, Shyr-Shy Chang, Shimin Cui +6 more 2025-10-14