Underground Systems, Inc.
Records under this name other than the patents Underground Systems, 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 3 patents it holds.
Showing 1 to 8 of 8 · Back to Underground Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,641,387 | Power line temperature and sag monitor system Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,497,781 | Power supply and communications controller Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 9,069,018 | Overhead power line monitor Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US RE44,256 | Electrical instrument platform for mounting on and removal from an energized high voltage power conductor Formerly held Term ended Term ended Apr 2, 2026 · From the USPTO record | Term ended | Term ended Apr 2, 2026 | From the USPTO record |
| US 7,504,819 | Dynamic line rating system with real-time tracking of conductor creep to establish the maximum allowable conductor loading as limited by clearance Formerly held Term ended Term ended Aug 8, 2025 · From the USPTO record | Term ended | Term ended Aug 8, 2025 | From the USPTO record |
| US 7,733,094 | Electrical instrument platform for mounting on and removal from an energized high voltage power conductor Surrendered on reissue Surrendered on reissue Jun 4, 2013 · From the USPTO record | Surrendered on reissue | Surrendered on reissue Jun 4, 2013 | From the USPTO record |
| US 6,037,592 | System for measuring gases dissolved in a liquid Lapsed on the fee record Ended Mar 14, 2008 · From the USPTO record | Lapsed on the fee record | Ended Mar 14, 2008 | From the USPTO record |
| US 5,749,942 | Apparatus for extracting a gas from a liquid and delivering the gas to a collection station Term ended Term ended no later than May 12, 2018 · Low confidence | Term ended | Term ended no later than May 12, 2018 | Low confidence |