Stackpole Powertrain International ULC
Records under this name other than patents Stackpole Powertrain International ULC holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,109,597 | Variable displacement pump with multiple pressure chambers where a circumferential extent of a first portion of a first chamber is greater than a second portion Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 9,771,935 | Variable displacement vane pump with thermo-compensation Formerly held Lapsed on the fee record Ended Sep 26, 2025 · From the USPTO record | Lapsed on the fee record | Ended Sep 26, 2025 | From the USPTO record |
| 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 10,247,187 | Variable displacement vane pump with thermo-compensation Formerly held Lapsed on the fee record Ended Apr 2, 2023 · From the USPTO record | Lapsed on the fee record | Ended Apr 2, 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 7,137,312 | Gear wheels roll formed from powder metal blanks Formerly held Term ended Term ended Jun 26, 2022 · From the USPTO record | Term ended | Term ended Jun 26, 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 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 |