Welltec A/S
Records under this name other than the patents Welltec A/S 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 72 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,884,778 | Apparatus and methods for controlling and communicating with downhole devices Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,576,090 | Apparatus and methods for controlling and communicating with downwhole devices Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,689,868 | Tractor communication/control and select fire perforating switch simulations Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 10,202,819 | Annular Barrier and Annular Barrier System Formerly held In force · Low confidence | In force | Low confidence | |
| US 9,745,819 | Annular barrier and annular barrier system Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 10,364,638 | Annular barrier Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 9,127,533 | Well completion Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 9,080,415 | Annular Barrier and Annular Barrier System Formerly held In force · High confidence | In force | High confidence | |
| US 9,447,651 | Sealing system Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 9,163,495 | Fracturing system Formerly held In force · From the USPTO record | In force | From the USPTO record |