- 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: 296
10-year publication summary
|
24
|
19
|
24
|
26
|
20
|
36
|
14
|
22
|
17
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24386 |
22 |
| HSP Hochspannungsgeräte GmbH | 133 |
13 |
| Siemens Energy Global GmbH & Co. KG | 3020 |
9 |
| ABB Schweiz AG | 7055 |
8 |
| Phoenix Contact GmbH & Co. KG | 2287 |
8 |
| Murata Manufacturing Co., Ltd. | 24741 |
7 |
| SHT Corporation Limited | 44 |
7 |
| LS ELECTRIC Co., Ltd | 735 |
7 |
| Schneider Electric Industries SAS | 1498 |
5 |
| Lem International SA | 124 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43400 |
4 |
| ABB Technology AG | 1251 |
4 |
| Schweitzer Engineering Laboratories, Inc. | 913 |
4 |
| SOCOMEC | 78 |
4 |
| Ubicquia, Inc. | 180 |
4 |
| Huawei Technologies Co., Ltd. | 113853 |
3 |
| Delta Electronics, Inc. | 2648 |
3 |
| Hubbell Incorporated | 3305 |
3 |
| Amosense Co., Ltd. | 487 |
3 |
| The Board of Trustees of the University of Alabama | 419 |
3 |
| Other owners | 170 |