- 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: 300
10-year publication summary
|
19
|
24
|
26
|
20
|
36
|
14
|
22
|
17
|
15
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24236 |
22 |
| HSP Hochspannungsgeräte GmbH | 141 |
12 |
| Siemens Energy Global GmbH & Co. KG | 3244 |
9 |
| ABB Schweiz AG | 7429 |
8 |
| Phoenix Contact GmbH & Co. KG | 2283 |
8 |
| Murata Manufacturing Co., Ltd. | 25506 |
7 |
| SHT Corporation Limited | 46 |
7 |
| LS ELECTRIC Co., Ltd | 787 |
7 |
| Schneider Electric Industries SAS | 1558 |
5 |
| Schweitzer Engineering Laboratories, Inc. | 911 |
5 |
| Lem International SA | 124 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47211 |
4 |
| ABB Technology AG | 1233 |
4 |
| SOCOMEC | 84 |
4 |
| Ubicquia, Inc. | 191 |
4 |
| Huawei Technologies Co., Ltd. | 119891 |
3 |
| Delta Electronics, Inc. | 2769 |
3 |
| Hubbell Incorporated | 3405 |
3 |
| Amosense Co., Ltd. | 497 |
3 |
| The Board of Trustees of the University of Alabama | 425 |
3 |
| Other owners | 174 |