- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/12 - Regulating voltage or current wherein the variable is actually regulated by the final control device is ac
Patent holdings for IPC class G05F 1/12
Total number of patents in this class: 109
10-year publication summary
|
11
|
11
|
12
|
8
|
10
|
9
|
9
|
7
|
7
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lutron Technology Company LLC | 2300 |
6 |
| Feit Electric Company, Inc. | 237 |
5 |
| Hunter Industries, Inc. | 298 |
5 |
| Socionext Inc. | 1575 |
3 |
| Aclara Technologies LLC | 218 |
3 |
| Maschinenfabrik Reinhausen GmbH | 749 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Apple Inc. | 50209 |
2 |
| The Boeing Company | 19843 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Texas Instruments Incorporated | 19376 |
2 |
| Xilinx, Inc. | 4086 |
2 |
| Amosense Co., Ltd. | 433 |
2 |
| Arda Power Inc. | 9 |
2 |
| San Diego Gas & Electric Company | 66 |
2 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
2 |
| Eaton Intelligent Power Limited | 6113 |
2 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
2 |
| Siemens AG | 24990 |
1 |
| Canon Inc. | 36841 |
1 |
| Other owners | 58 |