- 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: 135
10-year publication summary
|
5
|
7
|
8
|
12
|
19
|
14
|
12
|
16
|
21
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dynamic e Flow GmbH | 27 |
19 |
| Siemens AG | 24303 |
16 |
| General Electric Company | 13801 |
5 |
| DP World Logistics US Holdings, Inc. | 56 |
5 |
| Lappeenrannan-lahden Teknillinen Yliopisto Lut | 59 |
4 |
| Elemec Co.,Ltd. | 6 |
4 |
| Schaeffler Technologies AG & Co. KG | 10392 |
3 |
| Audi AG | 7410 |
3 |
| Safran Aircraft Engines | 6428 |
3 |
| Safran Helicopter Engines | 787 |
3 |
| Sumitomo Electric Industries, Ltd. | 15823 |
2 |
| Raytheon Company | 8458 |
2 |
| Hamilton Sundstrand Corporation | 4971 |
2 |
| Siemens Energy, Inc. | 1702 |
2 |
| GKN Automotive Limited | 358 |
2 |
| Lappeenrannan Teknillinen Yliopisto | 61 |
2 |
| Marquette University | 161 |
2 |
| Sumitomo Electric Sintered Alloy, Ltd. | 235 |
2 |
| Eaton Intelligent Power Limited | 6076 |
2 |
| NOVARES France | 143 |
2 |
| Other owners | 50 |