- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/22 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of hollow conductors
Patent holdings for IPC class H02K 3/22
Total number of patents in this class: 142
10-year publication summary
|
7
|
9
|
12
|
19
|
14
|
12
|
16
|
22
|
11
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dynamic e Flow GmbH | 28 |
20 |
| Siemens AG | 23972 |
16 |
| General Electric Company | 13966 |
5 |
| Elemec Co.,Ltd. | 8 |
5 |
| DP World Logistics US Holdings, Inc. | 56 |
5 |
| Lappeenrannan-lahden Teknillinen Yliopisto Lut | 59 |
4 |
| Schaeffler Technologies AG & Co. KG | 11159 |
3 |
| Audi AG | 7577 |
3 |
| Safran Aircraft Engines | 6750 |
3 |
| Safran Helicopter Engines | 849 |
3 |
| Innomotics GmbH | 613 |
3 |
| Hyperdrives GmbH | 4 |
3 |
| Sumitomo Electric Industries, Ltd. | 16345 |
2 |
| Raytheon Company | 8443 |
2 |
| Hamilton Sundstrand Corporation | 5013 |
2 |
| Siemens Energy, Inc. | 1681 |
2 |
| GKN Automotive Limited | 368 |
2 |
| Lappeenrannan Teknillinen Yliopisto | 59 |
2 |
| Marquette University | 174 |
2 |
| Sumitomo Electric Sintered Alloy, Ltd. | 247 |
2 |
| Other owners | 53 |