- 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: 126
10-year publication summary
|
10
|
19
|
5
|
10
|
11
|
11
|
5
|
4
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6113 |
20 |
| Maschinenfabrik Reinhausen GmbH | 749 |
8 |
| Hubbell Incorporated | 3052 |
6 |
| GE Infrastructure Technology, LLC | 5873 |
5 |
| Hitachi Energy Ltd. | 1921 |
5 |
| General Electric Company | 18133 |
4 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
4 |
| Alstom Technology Ltd | 1196 |
3 |
| Siemens AG | 24990 |
2 |
| Hitachi, Ltd. | 16452 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Cooper Technologies Company | 664 |
2 |
| Amosense Co., Ltd. | 433 |
2 |
| Energia Europa S.P.A. | 5 |
2 |
| General Electric Technology GmbH | 1657 |
2 |
| Legend Power Systems Inc. | 9 |
2 |
| ABB Power Grids Switzerland AG | 227 |
2 |
| Panasonic Corporation | 20786 |
1 |
| Intel Corporation | 45621 |
1 |
| Other owners | 49 |