Inventor · disambiguated record

Zhonghua Ren

Also filed as: REN ZHONGHUA

1 granted patent·0 citations·filing 2020–2020

2Inventor score

Technology areasE21D

Files withLANG FANG JING LONG GRAND IND MACHINERY CO LTD1

Top patents by PatentIndex Score

1 record

0130US11619131B2Six-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 →