Wheeltug, PLC
Records under this name other than the patents Wheeltug, PLC 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 84 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,712,603 | Aircraft drive Lapsed on the fee record Ended Apr 29, 2026 · From the USPTO record | Lapsed on the fee record | Ended Apr 29, 2026 | From the USPTO record |
| US 9,327,830 | Motor controller Term ended Term ended Mar 1, 2026 · From the USPTO record | Term ended | Term ended Mar 1, 2026 | From the USPTO record |
| US 8,541,678 | Thermionic/thermotunneling thermo-electrical converter Lapsed on the fee record Ended Sep 24, 2025 · From the USPTO record | Lapsed on the fee record | Ended Sep 24, 2025 | From the USPTO record |
| US 9,715,831 | Permanent Wireless Communications System for an Aircraft Equipped with a Wheel Drive System Lapsed on the fee record Ended Jul 25, 2025 · High confidence | Lapsed on the fee record | Ended Jul 25, 2025 | High confidence |
| US 9,688,393 | Aircraft auxiliary drive wheel taxi system Lapsed on the fee record Ended Jun 27, 2025 · From the USPTO record | Lapsed on the fee record | Ended Jun 27, 2025 | From the USPTO record |
| US 9,555,884 | Method for improving ground travel capability and enhancing stealth in unmanned aerial vehicles Lapsed on the fee record Ended Jan 31, 2025 · From the USPTO record | Lapsed on the fee record | Ended Jan 31, 2025 | From the USPTO record |
| US 8,330,192 | Method for modification of built in potential of diodes Lapsed on the fee record Ended Dec 11, 2024 · From the USPTO record | Lapsed on the fee record | Ended Dec 11, 2024 | From the USPTO record |
| US 9,511,853 | Motor and gearing system for aircraft wheel Lapsed on the fee record Ended Dec 6, 2024 · From the USPTO record | Lapsed on the fee record | Ended Dec 6, 2024 | From the USPTO record |
| US 7,419,022 | Thermionic power unit Term ended Term ended Dec 22, 2023 · From the USPTO record | Term ended | Term ended Dec 22, 2023 | From the USPTO record |
| US 7,323,709 | Method for increasing efficiency of thermotunnel devices Term ended Term ended Nov 27, 2023 · From the USPTO record | Term ended | Term ended Nov 27, 2023 | From the USPTO record |