- 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 systemsconversion of dc or ac input power into surge output powercontrol or regulation thereof
- H02M 3/33 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using discharge tubes only
Patent holdings for IPC class H02M 3/33
Total number of patents in this class: 31
10-year publication summary
|
1
|
4
|
9
|
2
|
1
|
3
|
4
|
0
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABL IP Holding LLC | 1899 |
2 |
| Acbel Polytech Inc. | 40 |
2 |
| ESAB AB | 311 |
2 |
| Illinois Tool Works Inc. | 11520 |
1 |
| NPX B.V. | 2578 |
1 |
| Dell Products L.P. | 14768 |
1 |
| Rohm Co., Ltd. | 6508 |
1 |
| Delta Electronics, Inc. | 2649 |
1 |
| Agilent Technologies, Inc. | 2632 |
1 |
| The Trustees of Columbia University in the City of New York | 3589 |
1 |
| Johnson Controls Technology Company | 1418 |
1 |
| Advanced Fusion Systems LLC | 68 |
1 |
| ASM IP Holding B.V. | 2114 |
1 |
| Eagle Harbor Technologies, Inc. | 78 |
1 |
| GE Aviation Systems Limited | 267 |
1 |
| Leadtrend Technology Corp. | 167 |
1 |
| North China Electric Power University | 177 |
1 |
| Power Integrations, Inc. | 547 |
1 |
| Richtek Technology Corp. | 630 |
1 |
| South China University of Technology | 1805 |
1 |
| Other owners | 8 |