Assignee
HUANG QINGHUA
CN·4 granted patents·1 pending application·3 citations·filing 2022–2024
Top patents by PatentIndex Score
5 records- 0153USD1091786SElectric warming fanHUANG QINGHUA·Filed 2023·Granted Sep 2, 2025·2 cites·1 claims
- 0249US12253253B2Fan lampHUANG QINGHUA·Filed 2024·Granted Mar 18, 2025·0 cites·9 claims
- 0347US2024390838A1A system for reducing ammonium bisulfate blockage in air preheaters of coal-fired power plantsHUANG QINGHUA·Filed 2022·Application pending·0 cites
- 0446USD1089754SFan lightHUANG QINGHUA·Filed 2023·Granted Aug 19, 2025·1 cites·1 claims
- 0532USD1119010SFan lightHUANG QINGHUA·Filed 2023·Granted Mar 17, 2026·0 cites·1 claims
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