Caltec Limited
Records under this name other than patents Caltec 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 10,167,706 | Oil/gas production apparatus Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,747,679 | Separation system and method for separating a fluid mixture with this separating system Lapsed on the fee record Ended Jun 10, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jun 10, 2022 | From the USPTO record |
| US 8,512,576 | System and method for the production or handling of heavy oil Lapsed on the fee record Ended Aug 20, 2021 · From the USPTO record | Lapsed on the fee record | Ended Aug 20, 2021 | From the USPTO record |
| US 8,333,825 | Apparatus for and method of separating multi-phase fluids Lapsed on the fee record Ended Dec 18, 2020 · From the USPTO record | Lapsed on the fee record | Ended Dec 18, 2020 | From the USPTO record |
| US 8,317,904 | Sand separation system and method Lapsed on the fee record Ended Nov 27, 2020 · From the USPTO record | Lapsed on the fee record | Ended Nov 27, 2020 | From the USPTO record |
| US 8,313,565 | Cyclonic separator and a method of separating fluids Lapsed on the fee record Ended Nov 20, 2020 · From the USPTO record | Lapsed on the fee record | Ended Nov 20, 2020 | From the USPTO record |
| US 8,257,055 | System and process for pumping multiphase fluids Lapsed on the fee record Ended Sep 4, 2020 · From the USPTO record | Lapsed on the fee record | Ended Sep 4, 2020 | From the USPTO record |
| US 6,531,066 | Cyclone separator Term ended Term ended Aug 3, 2020 · From the USPTO record | Term ended | Term ended Aug 3, 2020 | From the USPTO record |
| US 6,398,973 | Cyclone separator Term ended Term ended Jul 12, 2020 · From the USPTO record | Term ended | Term ended Jul 12, 2020 | From the USPTO record |
| US 9,347,284 | Slug mitigation system for subsea pipelines and risers Lapsed on the fee record Ended May 24, 2020 · From the USPTO record | Lapsed on the fee record | Ended May 24, 2020 | From the USPTO record |