Inventor · disambiguated record
Zhengfang Li
Also filed as: LI ZHENGFANG
3 granted patents·1 pending application·7 citations·filing 2023–2024
60Inventor score
Technology areasE05B
Files withQINGDAO LUNYUN DESIGN AND RES INSTITUTE CO LTD3QINGDAO HIRON COMMERCIAL COLD CHAIN CO LTD1
Top patents by PatentIndex Score
4 records- 0174USD1057641STireQINGDAO LUNYUN DESIGN AND RES INSTITUTE CO LTD·Filed 2023·Granted Jan 14, 2025·5 cites·1 claims
- 0259US2025354407A1Door lock and refrigeratorQINGDAO HIRON COMMERCIAL COLD CHAIN CO LTD·Filed 2024·Application pending·0 cites
- 0355USD1041391STireQINGDAO LUNYUN DESIGN AND RES INSTITUTE CO LTD·Filed 2023·Granted Sep 10, 2024·1 cites·1 claims
- 0455USD1041398STireQINGDAO LUNYUN DESIGN AND RES INSTITUTE CO LTD·Filed 2023·Granted Sep 10, 2024·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →