Norscan Instruments Ltd.
Records under this name other than patents Norscan Instruments Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,207,168 | Monitoring for disturbance of optical fiber Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,736,826 | Monitoring for disturbance of optical fiber Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 6,459,271 | Open cable locating for sheathed cables Term ended Term ended Nov 17, 2020 · From the USPTO record | Term ended | Term ended Nov 17, 2020 | From the USPTO record |
| US 6,437,572 | Interactive method and apparatus for locating and identifying utilities Term ended Term ended Nov 13, 2020 · From the USPTO record | Term ended | Term ended Nov 13, 2020 | From the USPTO record |
| US 7,009,375 | Locating system for a cable system having a backbone and branch cables defining multiple terminations Term ended Term ended Oct 5, 2019 · From the USPTO record | Term ended | Term ended Oct 5, 2019 | From the USPTO record |
| US 6,181,140 | Method of estimating the location of a cable break including a means to measure resistive fault levels for cable sections Term ended Term ended Jun 8, 2018 · From the USPTO record | Term ended | Term ended Jun 8, 2018 | From the USPTO record |
| US 6,194,889 | Enhancement of tone transmission over cable sheaths for cable location Term ended Term ended Jun 8, 2018 · From the USPTO record | Term ended | Term ended Jun 8, 2018 | From the USPTO record |
| US 6,750,401 | Trace wire for transmission of a tone for locating underground utilities and cables Lapsed on the fee record Ended Jun 15, 2016 · From the USPTO record | Lapsed on the fee record | Ended Jun 15, 2016 | From the USPTO record |
| US 4,480,251 | Apparatus to monitor electrical cables, including splice joints and the like, for the ingress of moisture Term ended Term ended no later than Oct 30, 2004 · Low confidence | Term ended | Term ended no later than Oct 30, 2004 | Low confidence |
| US 5,262,639 | Fiber optic cable monitoring method and apparatus including moisture detection and bending loss detection Term ended Term ended no later than Nov 16, 2013 · Low confidence | Term ended | Term ended no later than Nov 16, 2013 | Low confidence |