Sharp-Rock Technologies, Inc.
Records under this name other than the patents Sharp-Rock Technologies, Inc. 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 2 patents it holds.
Showing 1 to 3 of 3 · Back to Sharp-Rock Technologies, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,441,388 | Methods and Systems for a Flow Activated Annulus Choke Device Lapsed on the fee record Ended Sep 13, 2026 · High confidence | Lapsed on the fee record | Ended Sep 13, 2026 | High confidence |
| US 10,683,725 | Methods and systems to seal subterranean void Lapsed on the fee record Ended Jun 16, 2024 · From the USPTO record | Lapsed on the fee record | Ended Jun 16, 2024 | From the USPTO record |
| US 9,410,402 | Method for sweeping solids or displacing a fluid in a wellbore Lapsed on the fee record Ended Aug 9, 2020 · From the USPTO record | Lapsed on the fee record | Ended Aug 9, 2020 | From the USPTO record |