- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 29/02 - Variable transformers or inductances not covered by group with tappings on coil or windingVariable transformers or inductances not covered by group with provision for rearrangement or interconnection of windings
Patent holdings for IPC class H01F 29/02
Total number of patents in this class: 212
10-year publication summary
|
12
|
15
|
22
|
10
|
14
|
17
|
19
|
17
|
11
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maschinenfabrik Reinhausen GmbH | 632 |
27 |
| Hitachi Energy Ltd. | 2519 |
17 |
| Nucurrent, Inc. | 385 |
13 |
| Siemens AG | 24132 |
7 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6200 |
7 |
| ABB Technology AG | 1230 |
5 |
| Toshiba Energy Systems & Solutions Corp. | 1140 |
5 |
| Energia Europa S.P.A. | 5 |
4 |
| Siemens Energy Global GmbH & Co. KG | 3287 |
4 |
| Mitsubishi Electric Corporation | 47722 |
3 |
| Hamilton Sundstrand Corporation | 5019 |
3 |
| ABB Schweiz AG | 7508 |
3 |
| Southwest Electric Company | 7 |
3 |
| Eaton Intelligent Power Limited | 6201 |
3 |
| Hainan Jinpan Smart Technology Co., Ltd. | 14 |
3 |
| Intel Corporation | 46737 |
2 |
| Infineon Technologies AG | 8382 |
2 |
| Infineon Technologies Austria AG | 2306 |
2 |
| Murata Manufacturing Co., Ltd. | 25590 |
2 |
| Alstom Technology Ltd | 1057 |
2 |
| Other owners | 95 |