- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/40 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to ratio of voltage and current
Patent holdings for IPC class H02H 3/40
Total number of patents in this class: 114
10-year publication summary
|
5
|
8
|
6
|
4
|
5
|
8
|
9
|
11
|
14
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Energy Ltd. | 2619 |
16 |
| Siemens AG | 23983 |
15 |
| Hubbell Incorporated | 3456 |
6 |
| General Electric Technology GmbH | 1337 |
6 |
| VoltServer, Inc. | 54 |
5 |
| S&C Electric Company | 186 |
3 |
| Mitsubishi Electric Corporation | 48236 |
2 |
| ABB Inc. | 132 |
2 |
| ABB Schweiz AG | 7680 |
2 |
| Arcteq Relays Oy | 10 |
2 |
| Bender GmbH & Co. KG | 135 |
2 |
| San Diego Gas & Electric Company | 63 |
2 |
| GE Infrastructure Technology, LLC | 6154 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6165 |
2 |
| ABB Power Grids Switzerland AG | 212 |
2 |
| Hitachi Energy Switzerland AG | 299 |
2 |
| General Electric Company | 13938 |
1 |
| Toyota Motor Corporation | 35992 |
1 |
| Toshiba Corporation | 12625 |
1 |
| Airbus Operations GmbH | 3457 |
1 |
| Other owners | 39 |