- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 33/28 - Power arrangements internal to the switch for operating the driving mechanism
Patent holdings for IPC class H01H 33/28
Total number of patents in this class: 91
10-year publication summary
|
7
|
6
|
7
|
9
|
7
|
11
|
3
|
6
|
5
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABB Schweiz AG | 7201 |
13 |
| Eaton Intelligent Power Limited | 6056 |
13 |
| Siemens AG | 24333 |
7 |
| Siemens Energy Global GmbH & Co. KG | 3090 |
6 |
| Mitsubishi Electric Corporation | 46973 |
5 |
| Florida State University Research Foundation, Inc. | 784 |
5 |
| Hyosung Heavy Industries Corporation | 261 |
5 |
| Southern Electrical Equipment Co., Inc | 4 |
3 |
| Camlin Technologies Limited | 10 |
2 |
| Cummins Power Generation IP, Inc. | 306 |
2 |
| ABB Technology Ltd | 473 |
2 |
| LS ELECTRIC Co., Ltd | 753 |
2 |
| Robert Bosch GmbH | 43096 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
1 |
| Alstom Holdings | 624 |
1 |
| Hubbell Incorporated | 3355 |
1 |
| Generac Power Systems, Inc. | 377 |
1 |
| Hydro-Quebec | 657 |
1 |
| Hyosung Corporation | 287 |
1 |
| Indian Institute of Technology Bombay | 270 |
1 |
| Other owners | 18 |