Inventor · disambiguated record
Zhongnan Xu
Also filed as: XU ZHONGNAN
2 granted patents·2 citations·filing 2018–2019
33Inventor score
Technology areasB66B
Top patents by PatentIndex Score
2 records- 0165US11365089B2Elevator operation quality testerFUJIAN SPECIAL EQUIPMENT INSPECTION AND RES INSTITUTE·Filed 2019·Granted Jun 21, 2022·2 cites·9 claims
- 0232US12473175B2Elevator operation quality detecting system and detecting methodFUJIAN SPECIAL EQUIPMENT INSPECTION AND RES INSTITUTE·Filed 2018·Granted Nov 18, 2025·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →