Stackpole Limited
Records under this name other than patents Stackpole Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,955,063 | Vane pump Formerly held Lapsed on the fee record Ended Jun 7, 2023 · From the USPTO record | Lapsed on the fee record | Ended Jun 7, 2023 | From the USPTO record |
| US 6,907,971 | One-way clutch Formerly held Term ended Term ended Dec 30, 2022 · From the USPTO record | Term ended | Term ended Dec 30, 2022 | From the USPTO record |
| US 6,193,927 | High density forming process with ferro alloy and prealloy Formerly held Term ended Term ended Jan 8, 2019 · From the USPTO record | Term ended | Term ended Jan 8, 2019 | From the USPTO record |
| US 6,318,986 | Undercut split die Formerly held Term ended Term ended Jul 20, 2018 · From the USPTO record | Term ended | Term ended Jul 20, 2018 | From the USPTO record |
| US 6,110,419 | Point contact densification Formerly held Term ended Term ended Dec 2, 2017 · From the USPTO record | Term ended | Term ended Dec 2, 2017 | From the USPTO record |
| US 6,143,240 | High density forming process with powder blends Formerly held Term ended Term ended Nov 14, 2017 · From the USPTO record | Term ended | Term ended Nov 14, 2017 | From the USPTO record |
| US 6,120,728 | Method of making a component using a phased split die Formerly held Term ended Term ended Nov 5, 2017 · From the USPTO record | Term ended | Term ended Nov 5, 2017 | From the USPTO record |
| US 6,099,772 | Undercut split die Formerly held Term ended Term ended Apr 18, 2017 · From the USPTO record | Term ended | Term ended Apr 18, 2017 | From the USPTO record |
| US 6,165,400 | Compacted-powder opposed twin-helical gears and method Formerly held Term ended Term ended May 9, 2016 · From the USPTO record | Term ended | Term ended May 9, 2016 | From the USPTO record |
| US 6,440,357 | Compacted-powder opposed twin-helical gears and method Formerly held Term ended Term ended May 9, 2016 · From the USPTO record | Term ended | Term ended May 9, 2016 | From the USPTO record |