- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 3/20 - Windings for salient poles for auxiliary purposes, e.g. damping or commutating
Patent holdings for IPC class H02K 3/20
Total number of patents in this class: 89
10-year publication summary
|
9
|
5
|
9
|
16
|
15
|
1
|
1
|
3
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4950 |
12 |
| Siemens AG | 24344 |
4 |
| ABB Schweiz AG | 7139 |
4 |
| Goodrich Actuation Systems Limited | 251 |
3 |
| Nidec Corporation | 2695 |
3 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12693 |
3 |
| Hitachi Astemo, Ltd. | 6375 |
3 |
| International Business Machines Corporation | 61694 |
2 |
| Cummins Generator Technologies Limited | 115 |
2 |
| FEAAM GmbH | 37 |
2 |
| Moog Inc. | 426 |
2 |
| Nidec Motor Corporation | 524 |
2 |
| SANYO Denki Co., Ltd. | 208 |
2 |
| Huaiyin Institute of Technology | 40 |
2 |
| Transportation IP Holdings, LLC | 945 |
2 |
| Brooks Automation US, LLC | 338 |
2 |
| Toyota Motor Corporation | 33275 |
1 |
| The Boeing Company | 20161 |
1 |
| Hitachi Automotive Systems, Ltd. | 3955 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32244 |
1 |
| Other owners | 35 |