- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 9/08 - Limitation or suppression of earth fault currents, e.g. Petersen coil
Patent holdings for IPC class H02H 9/08
Total number of patents in this class: 421
10-year publication summary
|
16
|
13
|
17
|
21
|
22
|
20
|
16
|
8
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6257 |
27 |
| ARC Suppression Technologies | 40 |
15 |
| ABB Schweiz AG | 7621 |
11 |
| Hubbell Incorporated | 3448 |
8 |
| Leviton Manufacturing Co., Inc. | 813 |
8 |
| Siemens AG | 24020 |
6 |
| Yazaki Corporation | 7122 |
6 |
| Semiconductor Components Industries, L.L.C. | 5263 |
6 |
| SMA Solar Technology AG | 906 |
6 |
| Texas Instruments Incorporated | 19653 |
5 |
| Infineon Technologies AG | 8402 |
5 |
| Siemens Industry, Inc. | 1584 |
5 |
| Littelfuse, Inc. | 793 |
5 |
| Schneider Electric USA, Inc. | 1327 |
5 |
| Skyworks Solutions, Inc. | 3953 |
5 |
| Denso Corporation | 25579 |
4 |
| Hamilton Sundstrand Corporation | 5014 |
4 |
| ABB S.p.A. | 438 |
4 |
| Ensto Oy | 32 |
4 |
| Shenzhen Xinguodu Technology Co., Ltd. | 1933 |
4 |
| Other owners | 278 |