- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/40 - Windings characterised by the shape, form or construction of the insulation for high voltage, e.g. affording protection against corona discharges
Patent holdings for IPC class H02K 3/40
Total number of patents in this class: 226
10-year publication summary
|
13
|
19
|
27
|
20
|
16
|
16
|
9
|
11
|
15
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24200 |
46 |
| Innomotics GmbH | 575 |
16 |
| Mitsubishi Electric Corporation | 47602 |
10 |
| General Electric Company | 13831 |
7 |
| Hitachi Industrial Products, Ltd. | 203 |
6 |
| Siemens Energy Global GmbH & Co. KG | 3249 |
6 |
| Hitachi, Ltd. | 15895 |
5 |
| Siemens Energy, Inc. | 1694 |
5 |
| Voith Patent GmbH | 2778 |
5 |
| ABB Schweiz AG | 7441 |
4 |
| Hyperloop Technologies, Inc. | 123 |
4 |
| GE Renewable Technologies | 112 |
4 |
| Siemens Mobility GmbH | 1839 |
4 |
| Mitsubishi Generator Co., Ltd. | 155 |
4 |
| Merck Patent GmbH | 5668 |
3 |
| Toshiba Corporation | 12691 |
3 |
| Robert Bosch GmbH | 43587 |
3 |
| Alstom Technology Ltd | 1057 |
3 |
| LG Magna E-powertrain Co., Ltd. | 86 |
3 |
| TMEIC Corporation | 868 |
3 |
| Other owners | 82 |