- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 1/455 - Regulating voltage or current wherein the variable is actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control
Patent holdings for IPC class G05F 1/455
Total number of patents in this class: 45
10-year publication summary
|
1
|
6
|
4
|
5
|
1
|
2
|
3
|
4
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rkc Instrument Inc. | 85 |
5 |
| Lutron Technology Company LLC | 2300 |
5 |
| Leviton Manufacturing Co., Inc. | 844 |
4 |
| Panasonic Corporation | 20786 |
2 |
| Clipsal Australia Pty Ltd | 33 |
2 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
2 |
| Snap One, LLC | 193 |
2 |
| Apple Inc. | 50209 |
1 |
| Canon Inc. | 36841 |
1 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
1 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| Freescale Semiconductor, Inc. | 1306 |
1 |
| Yazaki Corporation | 6282 |
1 |
| ABB AB | 202 |
1 |
| ADPOWER Technology (WuXi) Co., Ltd. | 2 |
1 |
| B.G. Negev Technologies and Applications Ltd., at Ben-gurion University | 291 |
1 |
| Cummins Inc. | 2369 |
1 |
| Drgem Corp. | 7 |
1 |
| Electrolux Home Products Corporation N.V. | 779 |
1 |
| Elpatronic AG | 1 |
1 |
| Other owners | 10 |