- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 19/38 - Structural association of synchronous generators with exciting machines
Patent holdings for IPC class H02K 19/38
Total number of patents in this class: 75
10-year publication summary
|
11
|
7
|
4
|
7
|
3
|
1
|
5
|
3
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Aviation Systems LLC | 583 |
9 |
| Hamilton Sundstrand Corporation | 4860 |
6 |
| Discovery Energy, LLC | 380 |
6 |
| Siemens AG | 24518 |
4 |
| The Boeing Company | 20048 |
3 |
| Toshiba Corporation | 12326 |
2 |
| Robert Bosch GmbH | 42647 |
2 |
| ZF Friedrichshafen AG | 7134 |
2 |
| ABB Schweiz AG | 6942 |
2 |
| Cummins Generator Technologies Limited | 117 |
2 |
| MAHLE International GmbH | 2765 |
2 |
| Moteurs Leroy-Somer | 190 |
2 |
| Rolls-Royce North American Technologies, Inc. | 1168 |
2 |
| SEW-EURODRIVE GmbH & Co. KG | 1950 |
2 |
| Universidad Politecnica de Madrid | 301 |
2 |
| Hitachi, Ltd. | 15467 |
1 |
| Siemens Energy, Inc. | 1688 |
1 |
| Almott Ltd. | 10 |
1 |
| Audi AG | 7356 |
1 |
| Bultoc, Calin | 3 |
1 |
| Other owners | 22 |