- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 19/26 - Synchronous generators characterised by the arrangement of exciting windings
Patent holdings for IPC class H02K 19/26
Total number of patents in this class: 103
10-year publication summary
|
0
|
8
|
6
|
16
|
1
|
9
|
8
|
8
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 23823 |
11 |
| ABB Schweiz AG | 6650 |
7 |
| Moteurs Leroy-Somer | 190 |
5 |
| MAHLE International GmbH | 2701 |
4 |
| Hamilton Sundstrand Corporation | 4742 |
3 |
| Exedy Corporation | 485 |
3 |
| Discovery Energy, LLC | 378 |
3 |
| Toyota Motor Corporation | 30540 |
2 |
| The Boeing Company | 19922 |
2 |
| Mitsubishi Electric Corporation | 44962 |
2 |
| Nissan Motor Co., Ltd. | 12365 |
2 |
| Griffith University | 154 |
2 |
| Regal Beloit America, Inc. | 915 |
2 |
| Romax Technology Limited | 40 |
2 |
| Wobben Properties GmbH | 1212 |
2 |
| Hitachi Industrial Products, Ltd. | 181 |
2 |
| Rapid Power Industries | 6 |
2 |
| Pratt & Whitney Canada Corp. | 4451 |
1 |
| Toshiba Corporation | 12076 |
1 |
| Hitachi, Ltd. | 15247 |
1 |
| Other owners | 44 |