Assignee
LI QINGFENG
CN·11 granted patents·89 citations·filing 2010–2023
Technology mixA61H1
Top patents by PatentIndex Score
11 records- 0195US8434780B2RollatorLI QINGFENG·Filed 2010·Granted May 7, 2013·32 cites·5 claims
- 0288USD940601SRollatorLI QINGFENG·Filed 2020·Granted Jan 11, 2022·12 cites·1 claims
- 0382USD977373SRollatorLI QINGFENG·Filed 2020·Granted Feb 7, 2023·8 cites·1 claims
- 0469USD690884SAnti-vibration dipped gloveLI QINGFENG·Filed 2011·Granted Oct 1, 2013·16 cites·1 claims
- 0567USD1036875SShower chairLI QINGFENG·Filed 2021·Granted Jul 30, 2024·3 cites·1 claims
- 0666USD1073310SSuitcaseLI QINGFENG·Filed 2023·Granted May 6, 2025·2 cites·1 claims
- 0760USD891309SKnee rest walkerLI QINGFENG·Filed 2019·Granted Jul 28, 2020·7 cites·1 claims
- 0853USD1033278SRollator frameLI QINGFENG·Filed 2022·Granted Jul 2, 2024·1 cites·1 claims
- 0953USD654636SAnti-vibration dipped gloveLI QINGFENG·Filed 2011·Granted Feb 21, 2012·8 cites·1 claims
- 1043USD1057606SRollatorLI QINGFENG·Filed 2022·Granted Jan 14, 2025·0 cites·1 claims
- 1135USD1097898SKnee supporting walkerLI QINGFENG·Filed 2022·Granted Oct 14, 2025·0 cites·1 claims
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