Hardinge Inc.
Records under this name other than patents Hardinge Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 12,208,452 | Chuck with Improved Gripping Stroke Formerly held In force · High confidence | In force | High confidence | |
| US 8,720,311 | Tool Holder Formerly held Lapsed on the fee record Ended May 13, 2026 · High confidence | Lapsed on the fee record | Ended May 13, 2026 | High confidence |
| US 7,029,366 | Method and Apparatus for Abrasive Circular Machining Formerly held Term ended Ended no later than Aug 29, 2024 · Medium confidence | Term ended | Ended no later than Aug 29, 2024 | Medium confidence |
| US 7,021,990 | Method and Apparatus for Circular Grinding Formerly held Term ended Term ended Aug 17, 2024 · High confidence | Term ended | Term ended Aug 17, 2024 | High confidence |
| US 7,137,632 | Force Limiting Workpiece Holding Device Formerly held Term ended Term ended Feb 26, 2024 · High confidence | Term ended | Term ended Feb 26, 2024 | High confidence |
| US 6,883,407 | Expanding Collet Assembly for Pick-Off Spindle Formerly held Term ended Term ended Apr 2, 2023 · High confidence | Term ended | Term ended Apr 2, 2023 | High confidence |
| US 6,640,679 | Collet Adapter Chuck Assembly with Axially Fixed Collet Head Formerly held Term ended Term ended Aug 27, 2022 · High confidence | Term ended | Term ended Aug 27, 2022 | High confidence |
| US 6,726,221 | Dead Length Collet Chuck Assembly Formerly held Term ended Term ended May 29, 2022 · High confidence | Term ended | Term ended May 29, 2022 | High confidence |
| US 6,257,595 | Collect chuck with quick-change cap Term ended Term ended Sep 2, 2019 · From the USPTO record | Term ended | Term ended Sep 2, 2019 | From the USPTO record |
| US 6,264,210 | Quick-change jaw chuck system Term ended Term ended Sep 2, 2019 · From the USPTO record | Term ended | Term ended Sep 2, 2019 | From the USPTO record |