- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/14 - 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
Patent holdings for IPC class G05F 1/14
Total number of patents in this class: 131
10-year publication summary
|
4
|
10
|
11
|
10
|
4
|
6
|
3
|
3
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6132 |
18 |
| Hubbell Incorporated | 3376 |
8 |
| Maschinenfabrik Reinhausen GmbH | 743 |
8 |
| GE Infrastructure Technology, LLC | 6209 |
5 |
| Hitachi Energy Ltd. | 2418 |
5 |
| Schweitzer Engineering Laboratories, Inc. | 909 |
4 |
| General Electric Company | 13804 |
2 |
| Siemens AG | 24329 |
2 |
| Hitachi, Ltd. | 15846 |
2 |
| Mitsubishi Electric Corporation | 47449 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33168 |
2 |
| ABB Schweiz AG | 7353 |
2 |
| Cooper Technologies Company | 622 |
2 |
| Amosense Co., Ltd. | 497 |
2 |
| Durr Systems, Inc. | 107 |
2 |
| Energia Europa S.P.A. | 5 |
2 |
| General Electric Technology GmbH | 1354 |
2 |
| Legend Power Systems Inc. | 9 |
2 |
| Eaton Intelligent Power Limited | 426 |
2 |
| ABB Power Grids Switzerland AG | 212 |
2 |
| Other owners | 55 |