- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 41/285 - Arrangements for protecting lamps or circuits against abnormal operating conditions
Patent holdings for IPC class H05B 41/285
Total number of patents in this class: 108
10-year publication summary
|
8
|
3
|
5
|
3
|
2
|
2
|
3
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2395 |
16 |
| Tridonic GmbH & Co KG | 994 |
15 |
| Koninklijke Philips Electronics N.V. | 10308 |
8 |
| General Electric Company | 17076 |
5 |
| Osram AG | 302 |
4 |
| Signify Holding B.V. | 7344 |
4 |
| ABL IP Holding LLC | 1902 |
3 |
| Dialog Semiconductor Inc. | 264 |
3 |
| Koninklijke Philips N.V. | 24280 |
2 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 97 |
2 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8481 |
2 |
| OSRAM SYLVANIA Inc. | 691 |
2 |
| Cooper Technologies Company | 640 |
2 |
| Lutron Electronics Co., Inc. | 543 |
2 |
| Tridonic UK Ltd | 22 |
2 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6131 |
2 |
| Philips Intellectual Property & Standards GmbH | 2028 |
2 |
| Lutron Technology Company LLC | 2480 |
2 |
| Canon Inc. | 39005 |
1 |
| Matsushita Electric Works, Ltd. | 149 |
1 |
| Other owners | 28 |