Inventor · disambiguated record
Changyan Pu
Also filed as: PU CHANGYAN
3 granted patents·0 citations·filing 2018–2020
38Inventor score
Top patents by PatentIndex Score
3 records- 0138US11208888B2Process and device for supporting anchor bolt and anchor cable on successive mining working faceLANG FANG JING LONG GRAND IND MACHINERY CO LTD·Filed 2018·Granted Dec 28, 2021·0 cites·20 claims
- 0232US11459888B2Auxiliary transportation and support system used after rapid excavationLANG FANG JING LONG GRAND IND MACHINERY CO LTD·Filed 2018·Granted Oct 4, 2022·0 cites·17 claims
- 0330US11619131B2Six-arm tunneling and anchoring machine for integrating tunneling and anchoringLANG FANG JING LONG GRAND IND MACHINERY CO LTD·Filed 2020·Granted Apr 4, 2023·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →