- All sections
- H - Electricity
- H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; conversion of dc or ac input power into surge output power; control or regulation thereof
- H02M 7/757 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
Patent holdings for IPC class H02M 7/757
Total number of patents in this class: 220
10-year publication summary
23
|
20
|
14
|
26
|
27
|
16
|
12
|
8
|
7
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
General Electric Technology GmbH | 1657 |
27 |
Siemens AG | 24990 |
26 |
ABB Schweiz AG | 6321 |
8 |
Hitachi Energy Ltd. | 1921 |
8 |
ABB Technology AG | 1301 |
7 |
Siemens Energy Global GmbH & Co. KG | 2775 |
7 |
General Electric Company | 18133 |
6 |
The University of Birmingham | 393 |
6 |
Delta Electronics, Inc. | 2401 |
5 |
ABB Technology Ltd | 490 |
5 |
Alstom Technology Ltd | 1196 |
4 |
ABB Research Ltd. | 953 |
4 |
NR Electric Co., Ltd. | 302 |
4 |
Huawei Technologies Co., Ltd. | 100781 |
3 |
J. Ray McDermott, S.A. | 59 |
3 |
Lsis Co., Ltd. | 834 |
3 |
NR Engineering Co., Ltd | 266 |
3 |
Mitsubishi Electric Corporation | 43934 |
2 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
Hamilton Sundstrand Corporation | 4525 |
2 |
Other owners | 85 |