Inventor · disambiguated record
Hanhua Zhu
Also filed as: ZHU HANHUA
2 granted patents·0 citations·filing 2021–2023
22Inventor score
Technology areasE21D
Top patents by PatentIndex Score
2 records- 0147US12078065B2Telescopic device and telescopic annular tunnel steel archUNIV ZHEJIANG CITY COLLEGE·Filed 2023·Granted Sep 3, 2024·0 cites·10 claims
- 0238US12467360B2Device and method for adjusting tunnel support forceNINGBO LANGDA ENGINEERING TECH CO LTD·Filed 2021·Granted Nov 11, 2025·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →