Utility Systems Technologies, Inc.
Records under this name other than patents Utility Systems Technologies, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 6 of 6 · Back to Utility Systems Technologies, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,737,667 | 3-phase electronic tap changer commutation and device Term ended Term ended Jun 2, 2026 · From the USPTO record | Term ended | Term ended Jun 2, 2026 | From the USPTO record |
| US 8,207,716 | Useful improvements in the art of 3-phase electronic tap changer commutation device Lapsed on the fee record Ended Jun 26, 2020 · From the USPTO record | Lapsed on the fee record | Ended Jun 26, 2020 | From the USPTO record |
| US 6,144,191 | Voltage regulator Term ended Term ended Feb 18, 2020 · From the USPTO record | Term ended | Term ended Feb 18, 2020 | From the USPTO record |
| US 5,604,423 | Tap changing system having discrete cycle modulation and fault rotation for coupling to an inductive device Term ended Term ended no later than Feb 18, 2017 · Low confidence | Term ended | Term ended no later than Feb 18, 2017 | Low confidence |
| US 5,854,729 | Power system device and method for actively interrupting fault current before reaching peak magnitude Term ended Term ended no later than Dec 29, 2018 · Low confidence | Term ended | Term ended no later than Dec 29, 2018 | Low confidence |
| US 5,990,667 | Regulator with asymmetrical voltage increase/decrease capability for utility system Term ended Term ended no later than Nov 23, 2019 · Low confidence | Term ended | Term ended no later than Nov 23, 2019 | Low confidence |