- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/20 - 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 combined with discharge tubes or semiconductor devices semiconductor devices only
Patent holdings for IPC class G05F 1/20
Total number of patents in this class: 39
10-year publication summary
|
2
|
2
|
3
|
2
|
2
|
5
|
4
|
0
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maschinenfabrik Reinhausen GmbH | 541 |
6 |
| Eaton Intelligent Power Limited | 6256 |
4 |
| Hubbell Incorporated | 3454 |
2 |
| Universidad de Sevilla | 365 |
2 |
| Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | 342 |
2 |
| Hitachi Energy Ltd. | 2593 |
2 |
| Samsung Electronics Co., Ltd. | 158156 |
1 |
| Apple Inc. | 58936 |
1 |
| Intel Corporation | 47100 |
1 |
| Texas Instruments Incorporated | 19647 |
1 |
| Infineon Technologies Bipolar GmbH & Co. KG | 25 |
1 |
| Siemens Ltda. | 6 |
1 |
| Agency for Science, Technology and Research | 3744 |
1 |
| Bripco BVBA | 39 |
1 |
| ELTA Systems Ltd. | 324 |
1 |
| Green Revolution Cooling, Inc. | 51 |
1 |
| Nanyang Technological University | 2212 |
1 |
| Phoenix Contact GmbH & Co. KG | 2293 |
1 |
| GE Infrastructure Technology, LLC | 6163 |
1 |
| Inael Electrical Systems, S.A. | 9 |
1 |
| Other owners | 7 |