- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 27/18 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using ac to ac converters without intermediate conversion to dc varying the frequency by omitting half waves
Patent holdings for IPC class H02P 27/18
Total number of patents in this class: 14
10-year publication summary
|
1
|
3
|
2
|
1
|
1
|
2
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
5 |
| QM Power, Inc. | 60 |
3 |
| Copeland Comfort Control LP | 271 |
2 |
| The Boeing Company | 19843 |
1 |
| Woehner GmbH & Co. KG Elektrotechnische Systeme | 19 |
1 |
| Wohner GmbH & Co. KG Elektrotechnische Systeme | 36 |
1 |
| Mk-regler GmbH | 1 |
1 |
| Other owners | 0 |