Inventor · disambiguated record
Er Cao
Also filed as: CAO ER
8 granted patents·1 pending application·4 citations·filing 2021–2023
74Inventor score
Files withWUXI LEAD INTELLIGENT EQUIPMENT CO LTD9
Top patents by PatentIndex Score
9 records- 0193US11753264B2Tab roll replacing device and winding apparatusWUXI LEAD INTELLIGENT EQUIPMENT CO LTD·Filed 2022·Granted Sep 12, 2023·3 cites·20 claims
- 0288US11760596B2Roll replacing device and adhesive tape sticking equipmentWUXI LEAD INTELLIGENT EQUIPMENT CO LTD·Filed 2022·Granted Sep 19, 2023·1 cites·12 claims
- 0376US12110201B2Roll replacing device and adhesive tape sticking equipmentWUXI LEAD INTELLIGENT EQUIPMENT CO LTD·Filed 2023·Granted Oct 8, 2024·0 cites·20 claims
- 0470US12275097B2Tab welding deviceWUXI LEAD INTELLIGENT EQUIPMENT CO LTD·Filed 2022·Granted Apr 15, 2025·0 cites·15 claims
- 0562US12420367B2Roll replacing device and tab welding apparatusWUXI LEAD INTELLIGENT EQUIPMENT CO LTD·Filed 2021·Granted Sep 23, 2025·0 cites·20 claims
- 0654US2024002184A1Automatic roll-replacing apparatusWUXI LEAD INTELLIGENT EQUIPMENT CO LTD·Filed 2023·Application pending·0 cites
- 0753US12264025B2Roll replacing apparatus and winding deviceWUXI LEAD INTELLIGENT EQUIPMENT CO LTD·Filed 2021·Granted Apr 1, 2025·0 cites·20 claims
- 0852US12441568B2Coil replacing deviceWUXI LEAD INTELLIGENT EQUIPMENT CO LTD·Filed 2023·Granted Oct 14, 2025·0 cites·18 claims
- 0952US12325603B2Coil replacing deviceWUXI LEAD INTELLIGENT EQUIPMENT CO LTD·Filed 2023·Granted Jun 10, 2025·0 cites·19 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →