- 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: 76
10-year publication summary
|
11
|
7
|
4
|
7
|
3
|
1
|
5
|
3
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Aviation Systems LLC | 575 |
9 |
| Discovery Energy, LLC | 377 |
6 |
| Hamilton Sundstrand Corporation | 4737 |
5 |
| Siemens AG | 24568 |
4 |
| Rolls-Royce North American Technologies, Inc. | 1139 |
4 |
| The Boeing Company | 19915 |
3 |
| Toshiba Corporation | 12060 |
2 |
| ZF Friedrichshafen AG | 7043 |
2 |
| ABB Schweiz AG | 6635 |
2 |
| Cummins Generator Technologies Limited | 113 |
2 |
| MAHLE International GmbH | 2703 |
2 |
| Moteurs Leroy-Somer | 189 |
2 |
| SEW-EURODRIVE GmbH & Co. KG | 1919 |
2 |
| Universidad Politecnica de Madrid | 304 |
2 |
| Mitsubishi Generator Co., Ltd. | 125 |
2 |
| Hitachi, Ltd. | 15239 |
1 |
| Robert Bosch GmbH | 41823 |
1 |
| Alstom Technology Ltd | 1145 |
1 |
| Siemens Energy, Inc. | 1735 |
1 |
| Almott Ltd. | 10 |
1 |
| Other owners | 22 |