- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 47/21 - Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection of two or more light sources connected in parallel
Patent holdings for IPC class H05B 47/21
Total number of patents in this class: 54
10-year publication summary
0
|
0
|
0
|
2
|
4
|
13
|
15
|
9
|
12
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Signify Holding B.V. | 6837 |
6 |
Mate, LLC | 43 |
3 |
Hexmodal Technologies LLC | 6 |
3 |
Lutron Technology Company LLC | 2300 |
3 |
BNSF Railway Company | 328 |
2 |
Magtech Industries Corporation | 21 |
2 |
Schreder, S.A. | 270 |
2 |
Tridonic GmbH & Co KG | 922 |
2 |
Hotalux, Ltd. | 88 |
2 |
Savant Systems, Inc. | 262 |
2 |
Xiamen Leedarson Lighting Co.Ltd. | 103 |
2 |
Ubicquia, Inc. | 153 |
2 |
Samsung Electronics Co., Ltd. | 131630 |
1 |
Canon Inc. | 36841 |
1 |
Rohm Co., Ltd. | 5843 |
1 |
Beghelli S.p.A. | 120 |
1 |
Hayward Industries, Inc. | 669 |
1 |
Herc Rentals Inc. | 11 |
1 |
Semisilicon Technology Corp. | 59 |
1 |
Sensus Spectrum LLC | 246 |
1 |
Other owners | 15 |