Inventor · disambiguated record
Xifeng Fang
Also filed as: FANG XIFENG
1 granted patent·2 pending applications·3 citations·filing 2017–2024
20Inventor score
Technology areasB23K
Files withCRRC QINGDAO SIFANG CO LTD3
Top patents by PatentIndex Score
3 records- 0176US10730145B2Beam structure and hybrid welding method thereofCRRC QINGDAO SIFANG CO LTD·Filed 2017·Granted Aug 4, 2020·3 cites·9 claims
- 0263US2025196265A1Laser cladding repair method and apparatus for surface damage of part, and partCRRC QINGDAO SIFANG CO LTD·Filed 2024·Application pending·0 cites
- 0349US2024408706A1Apparatus for regulating welding deformation of box structure and regulation methodCRRC QINGDAO SIFANG CO LTD·Filed 2022·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →