Ngee Ann Polytechnic
Records under this name other than the patents Ngee Ann Polytechnic holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 5 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,554,065 | Pressure relief mattress and body pressure management system thereof Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 11,234,863 | Eye drop guide device for instilling eye drops Lapsed on the fee record Ended Feb 1, 2026 · From the USPTO record | Lapsed on the fee record | Ended Feb 1, 2026 | From the USPTO record |
| US 11,117,100 | Hydrophilic polymer and membrane for oil-water separation and method of producing the same Lapsed on the fee record Ended Sep 14, 2025 · From the USPTO record | Lapsed on the fee record | Ended Sep 14, 2025 | From the USPTO record |
| US 9,751,052 | Triple Layer Hydrophobic-Hydrophilic Membrane for Membrane Distillation Applications Lapsed on the fee record Ended Sep 5, 2025 · High confidence | Lapsed on the fee record | Ended Sep 5, 2025 | High confidence |
| US 8,363,316 | Digital Holographic Microscopy Lapsed on the fee record Ended Jan 29, 2025 · High confidence | Lapsed on the fee record | Ended Jan 29, 2025 | High confidence |
| US 9,421,293 | Filtration medium with electrospun metal oxide nanofiber layer Lapsed on the fee record Ended Aug 23, 2024 · From the USPTO record | Lapsed on the fee record | Ended Aug 23, 2024 | From the USPTO record |
| US 9,227,866 | Porous waste glass membrane Lapsed on the fee record Ended Jan 5, 2024 · From the USPTO record | Lapsed on the fee record | Ended Jan 5, 2024 | From the USPTO record |
| US 10,421,036 | Continuous liquid desiccant dehumidification system Lapsed on the fee record Ended Sep 24, 2023 · From the USPTO record | Lapsed on the fee record | Ended Sep 24, 2023 | From the USPTO record |
| US 10,336,641 | Method for producing a foam glass with high open pore content Lapsed on the fee record Ended Jul 2, 2023 · From the USPTO record | Lapsed on the fee record | Ended Jul 2, 2023 | From the USPTO record |
| US 10,118,128 | Vacuum air gap membrane distillation system and method for desalination Lapsed on the fee record Ended Nov 6, 2022 · From the USPTO record | Lapsed on the fee record | Ended Nov 6, 2022 | From the USPTO record |