- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 19/32 - Synchronous generators characterised by the arrangement of exciting windings for pole-changing
Patent holdings for IPC class H02K 19/32
Total number of patents in this class: 13
10-year publication summary
|
1
|
0
|
3
|
3
|
3
|
1
|
0
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 15247 |
1 |
| Konica Minolta, Inc. | 8558 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 13899 |
1 |
| Rolls-Royce PLC | 2997 |
1 |
| Hamilton Sundstrand Corporation | 4742 |
1 |
| Board of Regents, The University of Texas System | 5641 |
1 |
| EBM-Papst St. Georgen GmbH & Co. KG | 268 |
1 |
| NRG Tech. Ltd. | 6 |
1 |
| Suzuki Motor Corporation | 1290 |
1 |
| Voith Patent GmbH | 2740 |
1 |
| ABB Schweiz AB | 5 |
1 |
| Holcomb Scientific Research Limited | 13 |
1 |
| Enedym Inc. | 63 |
1 |
| Other owners | 0 |