- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 15/022 - Magnetic cores with salient poles
Patent holdings for IPC class H02K 15/022
Total number of patents in this class: 28
10-year publication summary
|
0
|
0
|
0
|
0
|
1
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1
|
2
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5
|
2
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3491 |
3 |
| Sumitomo Electric Industries, Ltd. | 15428 |
2 |
| Makita Corporation | 2434 |
2 |
| Sumitomo Electric Sintered Alloy, Ltd. | 227 |
2 |
| Robert Bosch GmbH | 42632 |
1 |
| Mitsubishi Electric Corporation | 45962 |
1 |
| Murata Manufacturing Co., Ltd. | 24465 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 14278 |
1 |
| ZF Friedrichshafen AG | 7133 |
1 |
| Hamilton Sundstrand Corporation | 4853 |
1 |
| Schaeffler Technologies AG & Co. KG | 9818 |
1 |
| Amotech Co., Ltd. | 521 |
1 |
| Electric Torque Machines, Inc. | 53 |
1 |
| GE Aviation Systems LLC | 582 |
1 |
| Persimmon Technologies, Corp. | 148 |
1 |
| Regal Beloit America, Inc. | 867 |
1 |
| Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen | 307 |
1 |
| Johnson Electric International AG | 374 |
1 |
| Ashwoods Electric Motors Limited | 2 |
1 |
| Valeo Eautomotive Germany GmbH | 247 |
1 |
| Other owners | 3 |