- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 1/38 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by pole-changing
Patent holdings for IPC class H02P 1/38
Total number of patents in this class: 9
10-year publication summary
|
2
|
0
|
1
|
0
|
0
|
1
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5015 |
1 |
| Milwaukee Electric Tool Corporation | 4958 |
1 |
| Universidade Nova de Lisboa | 91 |
1 |
| Volvo Car Corporation | 1951 |
1 |
| Zhejiang University | 3444 |
1 |
| Quanten Technologies, Inc. | 17 |
1 |
| Eaton Intelligent Power Limited | 6243 |
1 |
| Grundfos Management a/s | 168 |
1 |
| LD Design Electronics Inc. | 2 |
1 |
| Other owners | 0 |