- 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: 73
10-year publication summary
|
11
|
11
|
7
|
4
|
7
|
3
|
1
|
5
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Aviation Systems LLC | 569 |
9 |
| Kohler Co. | 4165 |
5 |
| Hamilton Sundstrand Corporation | 4525 |
5 |
| Siemens AG | 24990 |
4 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
4 |
| The Boeing Company | 19843 |
3 |
| Moteurs Leroy-Somer | 193 |
3 |
| Toshiba Corporation | 12017 |
2 |
| ABB Schweiz AG | 6321 |
2 |
| Cummins Generator Technologies Limited | 109 |
2 |
| MAHLE International GmbH | 2670 |
2 |
| SEW-EURODRIVE GmbH & Co. KG | 1816 |
2 |
| Universidad Politecnica de Madrid | 296 |
2 |
| Honeywell International Inc. | 13799 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Alstom Technology Ltd | 1196 |
1 |
| Siemens Energy, Inc. | 1770 |
1 |
| Almott Ltd. | 10 |
1 |
| Other owners | 21 |