Inventor · disambiguated record
Guoan Xu
Also filed as: XU GUOAN
2 granted patents·2 citations·filing 2016–2018
33Inventor score
Technology areasE21D
Top patents by PatentIndex Score
2 records- 0148US10190281B2Sectional modular large-deformation-resistant impact-resistant composite rock bolt and its assembling methodXU GUOAN·Filed 2016·Granted Jan 29, 2019·2 cites·5 claims
- 0231US10794183B2Self-drilling differential grouting combined bolt and anchoring method thereforUNIV CHINA MINING·Filed 2018·Granted Oct 6, 2020·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →