- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 27/14 - 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 dc to ac converters or inverters with pulse width modulation with three or more levels of voltage
Patent holdings for IPC class H02P 27/14
Total number of patents in this class: 127
10-year publication summary
11
|
5
|
14
|
12
|
17
|
9
|
12
|
11
|
12
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ABB Schweiz AG | 6321 |
12 |
Robert Bosch GmbH | 40953 |
10 |
Hamilton Sundstrand Corporation | 4525 |
6 |
ABB Technology AG | 1301 |
4 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
4 |
Siemens AG | 24990 |
3 |
Toyota Motor Corporation | 28582 |
3 |
Hitachi, Ltd. | 16452 |
3 |
Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 362 |
3 |
Tau Motors, Inc. | 43 |
3 |
Huawei Digital Power Technologies Co. Ltd. | 1527 |
3 |
Hitachi Energy Ltd. | 1921 |
3 |
General Electric Company | 18133 |
2 |
Honda Motor Co., Ltd. | 24537 |
2 |
Mitsubishi Electric Corporation | 43934 |
2 |
Schaeffler Technologies AG & Co. KG | 8880 |
2 |
Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2487 |
2 |
Lenze Drives GmbH | 47 |
2 |
Meidensha Corporation | 823 |
2 |
Otis Elevator Company | 2677 |
2 |
Other owners | 54 |