H02H 3/405
Using phase sequence analysing arrangements
Official title: {using phase sequence analysing arrangements}
H02H3/405 (Using phase sequence analysing arrangements) appears on 9 US grants and 13 published applications in this corpus.
Search patents in H02H- Granted patents
- 9
- Published applications
- 13
- Assignees
- 13
- Inventors
- 37
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 3 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Distance protection of a transmission line12 May 2026US 12,627,135 B2Hitachi Energy Ltd
- Method of determining line fault of power system10 Jun 2025US 12,326,469 B2ABB Schweiz AG
- Distribution fault location using graph neural network with both node and link attributes13 Jun 2023US 11,674,994 B2Mitsubishi Electric Research Laboratories, Inc.
- Time domain distance protection based on polarity comparison for power transmission lines6 Sep 2022US 11,435,411 B2Hitachi Energy Switzerland AG
- Fault location detection and distance protection apparatus and associated method18 Aug 2020US 10,746,779 B2General Electric Technology GmbH
- A method of detecting a fault in a transmission line in an ac power transmission system20 Aug 2026US 2026/0243814 A1Hitachi Energy Ltd
- A method of detecting a fault in a protected line in a power transmission system9 Apr 2026US 2026/0098888 A1Hitachi Energy Ltd
- Distance protection for an electrical power system based on adapted apparent impedance5 Feb 2026US 2026/0039106 A1Hitachi Energy Ltd
- Distance protection of a transmission line30 Jan 2025US 2025/0038519 A1Hitachi Energy Ltd
- Fault location detection in tapped power distribution lines9 Jan 2025US 2025/0012839 A1ABB Schweiz AG
Most cited
By later US patents