- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 38/30 - Constructions
Patent holdings for IPC class H01F 38/30
Total number of patents in this class: 294
10-year publication summary
|
25
|
20
|
24
|
29
|
22
|
37
|
15
|
23
|
18
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24518 |
22 |
| HSP Hochspannungsgeräte GmbH | 129 |
13 |
| Siemens Energy Global GmbH & Co. KG | 2944 |
9 |
| ABB Schweiz AG | 6942 |
8 |
| Phoenix Contact GmbH & Co. KG | 2292 |
8 |
| Murata Manufacturing Co., Ltd. | 24478 |
7 |
| SHT Corporation Limited | 44 |
7 |
| LS ELECTRIC Co., Ltd | 691 |
6 |
| Schneider Electric Industries SAS | 1483 |
5 |
| Lem International SA | 123 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42549 |
4 |
| ABB Technology AG | 1256 |
4 |
| Schweitzer Engineering Laboratories, Inc. | 913 |
4 |
| SOCOMEC | 84 |
4 |
| Ubicquia, Inc. | 170 |
4 |
| Huawei Technologies Co., Ltd. | 112134 |
3 |
| Delta Electronics, Inc. | 2604 |
3 |
| Hubbell Incorporated | 3259 |
3 |
| Amosense Co., Ltd. | 483 |
3 |
| The Board of Trustees of the University of Alabama | 409 |
3 |
| Other owners | 169 |