- 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: 434
10-year publication summary
|
30
|
23
|
16
|
13
|
17
|
21
|
22
|
17
|
12
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6113 |
27 |
| ARC Suppression Technologies | 40 |
15 |
| Leviton Manufacturing Co., Inc. | 844 |
14 |
| Hubbell Incorporated | 3052 |
10 |
| ABB Schweiz AG | 6321 |
10 |
| Siemens AG | 24990 |
6 |
| Texas Instruments Incorporated | 19376 |
6 |
| Yazaki Corporation | 6282 |
6 |
| Semiconductor Components Industries, L.L.C. | 5345 |
6 |
| Siemens Industry, Inc. | 1417 |
6 |
| Schneider Electric USA, Inc. | 1192 |
6 |
| Infineon Technologies AG | 8189 |
5 |
| Shenzhen Xinguodu Technology Co., Ltd. | 2467 |
5 |
| SMA Solar Technology AG | 830 |
5 |
| Denso Corporation | 23338 |
4 |
| Delta Electronics, Inc. | 2401 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
4 |
| ABB S.p.A. | 459 |
4 |
| Advanced Analogic Technologies, Inc. | 79 |
4 |
| Ensto Oy | 36 |
4 |
| Other owners | 283 |