Ducool Ltd.
Records under this name other than the patents Ducool Ltd. 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 6 patents it holds.
Showing 1 to 4 of 4 · Back to Ducool Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,494,053 | Dehumidifier/air-conditioning system Term ended Term ended Sep 14, 2021 · From the USPTO record | Term ended | Term ended Sep 14, 2021 | From the USPTO record |
| US 6,487,872 | Dehumidifier system Term ended Term ended May 15, 2020 · From the USPTO record | Term ended | Term ended May 15, 2020 | From the USPTO record |
| US 6,546,746 | Dehumidifier system Term ended Term ended Nov 11, 2018 · From the USPTO record | Term ended | Term ended Nov 11, 2018 | From the USPTO record |
| US 6,976,365 | Dehumidifier/Air-Conditioning System Lapsed on the fee record Ended Dec 20, 2017 · Low confidence | Lapsed on the fee record | Ended Dec 20, 2017 | Low confidence |