Inventor · disambiguated record
Jinshan Cao
Also filed as: CAO JINSHAN
0 granted patents·3 pending applications·0 citations·filing 2021–2024
Files withCRRC QINGDAO SIFANG CO LTD3
Top patents by PatentIndex Score
3 records- 0163US2025196265A1Laser cladding repair method and apparatus for surface damage of part, and partCRRC QINGDAO SIFANG CO LTD·Filed 2024·Application pending·0 cites
- 0259US2025305145A1Method and device for repairing damage on mounting surface of journal box bodyCRRC QINGDAO SIFANG CO LTD·Filed 2023·Application pending·0 cites
- 0356US2023405704A1Electric resistance spot welding device and methodCRRC QINGDAO SIFANG CO LTD·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →