Nov Completion Tools As
Records under this name other than the patents Nov Completion Tools As 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 3 patents it holds.
Showing 1 to 5 of 5 · Back to Nov Completion Tools As
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,027,640 | Method for signalling a downhole device in a well Term ended Term ended Jan 12, 2026 · From the USPTO record | Term ended | Term ended Jan 12, 2026 | From the USPTO record |
| US 8,544,542 | Method for signalling a downhole device in a well Term ended Term ended Dec 5, 2025 · From the USPTO record | Term ended | Term ended Dec 5, 2025 | From the USPTO record |
| US 7,673,680 | Method for signalling a downhole device in a flowing well Term ended Term ended Nov 11, 2025 · From the USPTO record | Term ended | Term ended Nov 11, 2025 | From the USPTO record |
| US 7,703,511 | Pressure barrier apparatus Lapsed on the fee record Ended Apr 27, 2022 · From the USPTO record | Lapsed on the fee record | Ended Apr 27, 2022 | From the USPTO record |
| US 6,543,541 | Access control between a main bore and a lateral bore in a production system Term ended Term ended Feb 5, 2021 · From the USPTO record | Term ended | Term ended Feb 5, 2021 | From the USPTO record |