- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 19/04 - Synchronous motors for single-phase current
Patent holdings for IPC class H02K 19/04
Total number of patents in this class: 11
10-year publication summary
|
2
|
12
|
1
|
1
|
2
|
0
|
2
|
0
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nittan Valve Co., Ltd. | 132 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14546 |
1 |
| ZF Friedrichshafen AG | 7175 |
1 |
| Atieva, Inc. | 511 |
1 |
| GREE Electric Appliances, Inc. of Zhuhai | 3256 |
1 |
| Steering Solutions IP Holding Corporation | 933 |
1 |
| Wellington Drive Technologies Limited | 14 |
1 |
| MH Technologies Inc. | 25 |
1 |
| Eta Green Power Limited | 19 |
1 |
| Ampere S.A.S. | 528 |
1 |
| Other owners | 0 |