- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/147 - Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using tap transformers or tap changing inductors as final control devices with motor driven tap switch
Patent holdings for IPC class G05F 1/147
Total number of patents in this class: 34
10-year publication summary
|
6
|
1
|
3
|
0
|
2
|
0
|
2
|
5
|
0
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3314 |
6 |
| Maschinenfabrik Reinhausen GmbH | 750 |
6 |
| Eaton Intelligent Power Limited | 6035 |
4 |
| ABB Technology Ltd | 476 |
3 |
| Durr Systems, Inc. | 111 |
2 |
| General Electric Technology GmbH | 1372 |
2 |
| GE Infrastructure Technology, LLC | 6250 |
2 |
| Siemens Energy, Inc. | 1708 |
1 |
| Advanced Power Technologies, LLC | 6 |
1 |
| Brandon & Clark, Inc. | 11 |
1 |
| Shandong University | 1055 |
1 |
| Ormazabal Corporate Technology, A.I.E. | 9 |
1 |
| A. Eberle GmbH & Co. KG | 19 |
1 |
| Siemens Energy Global GmbH & Co. KG | 3026 |
1 |
| Guangdong Giwee Technology Co. Ltd. | 20 |
1 |
| Hitachi Energy Ltd | 79 |
1 |
| Other owners | 0 |