Control Flow, Inc.
Records under this name other than the patents Control Flow, 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 5 patents it holds.
Showing 1 to 10 of 10 · Back to Control Flow, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,337,849 | Co-linear tensioner and methods of installing and removing same Term ended Term ended Feb 17, 2025 · From the USPTO record | Term ended | Term ended Feb 17, 2025 | From the USPTO record |
| US 7,040,393 | Choke and kill line systems for blowout preventers Term ended Term ended Jan 13, 2024 · From the USPTO record | Term ended | Term ended Jan 13, 2024 | From the USPTO record |
| US 7,163,054 | Breechblock connectors for use with oil field lines and oil field equipment Term ended Term ended Dec 10, 2023 · From the USPTO record | Term ended | Term ended Dec 10, 2023 | From the USPTO record |
| US 6,968,900 | Portable drill string compensator Term ended Term ended Aug 21, 2023 · From the USPTO record | Term ended | Term ended Aug 21, 2023 | From the USPTO record |
| US 7,008,340 | Ram-type tensioner assembly having integral hydraulic fluid accumulator Term ended Term ended Aug 4, 2023 · From the USPTO record | Term ended | Term ended Aug 4, 2023 | From the USPTO record |
| US 7,131,496 | Portable drill string compensator Term ended Ended no later than Dec 9, 2022 · From the USPTO record | Term ended | Ended no later than Dec 9, 2022 | From the USPTO record |
| US 7,131,922 | Ram-type tensioner assembly having integral hydraulic fluid accumulator Term ended Term ended Dec 9, 2022 · From the USPTO record | Term ended | Term ended Dec 9, 2022 | From the USPTO record |
| US 6,530,430 | Tensioner/slip-joint assembly Term ended Term ended Jul 14, 2021 · From the USPTO record | Term ended | Term ended Jul 14, 2021 | From the USPTO record |
| US 6,554,072 | Co-linear tensioner and methods for assembling production and drilling risers using same Term ended Ended no later than Jun 14, 2021 · From the USPTO record | Term ended | Ended no later than Jun 14, 2021 | From the USPTO record |
| US 6,739,395 | Tensioner/slip-joint assembly Term ended Ended no later than Jun 14, 2021 · From the USPTO record | Term ended | Ended no later than Jun 14, 2021 | From the USPTO record |