Darex, LLC
Records under this name other than the patents Darex, LLC 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 78 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,147,546 | Tool holder with moveable alignment finger Term ended Term ended Dec 12, 2025 · From the USPTO record | Term ended | Term ended Dec 12, 2025 | From the USPTO record |
| US 8,512,103 | Cutting tool sharpener Lapsed on the fee record Ended Aug 20, 2025 · From the USPTO record | Lapsed on the fee record | Ended Aug 20, 2025 | From the USPTO record |
| US 9,168,626 | Cutting tool sharpener Lapsed on the fee record Ended Oct 27, 2023 · From the USPTO record | Lapsed on the fee record | Ended Oct 27, 2023 | From the USPTO record |
| US 7,172,498 | Drill sharpener Term ended Term ended Sep 26, 2023 · From the USPTO record | Term ended | Term ended Sep 26, 2023 | From the USPTO record |
| US 6,878,035 | Tool sharpener Term ended Term ended Mar 21, 2023 · From the USPTO record | Term ended | Term ended Mar 21, 2023 | From the USPTO record |
| US 7,081,040 | Tool sharpener with web thickness determination capability Term ended Term ended Mar 21, 2023 · From the USPTO record | Term ended | Term ended Mar 21, 2023 | From the USPTO record |
| US 8,388,413 | Wideblade sharpening guide Lapsed on the fee record Ended Mar 5, 2021 · From the USPTO record | Lapsed on the fee record | Ended Mar 5, 2021 | From the USPTO record |
| US 8,277,291 | Abrasive slotted disc with controlled axial displacement of a workpiece Lapsed on the fee record Ended Oct 2, 2020 · From the USPTO record | Lapsed on the fee record | Ended Oct 2, 2020 | From the USPTO record |
| US 6,626,745 | Precision drill sharpener and grinding wheel assembly therefor Formerly held Term ended Ended no later than Jul 5, 2016 · From the USPTO record | Term ended | Ended no later than Jul 5, 2016 | From the USPTO record |
| US 4,001,975 | Twist drill sharpener and aligning fixture Term ended Term ended no later than Jan 11, 1997 · Low confidence | Term ended | Term ended no later than Jan 11, 1997 | Low confidence |