- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural combinations of lighting devices with other articles, not otherwise provided for
- F21V 25/04 - Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
Patent holdings for IPC class F21V 25/04
Total number of patents in this class: 148
10-year publication summary
|
28
|
22
|
19
|
15
|
13
|
10
|
2
|
2
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 400 |
29 |
| Signify Holding B.V. | 7407 |
18 |
| Aleddra Inc., DBA Aleddra LED Lighting | 112 |
14 |
| LEDVANCE GmbH | 573 |
7 |
| Koninklijke Philips N.V. | 24527 |
5 |
| Argo Import-Export, Ltd. | 7 |
5 |
| Philips Lighting Holding B.V. | 1361 |
4 |
| OSRAM GmbH | 2389 |
3 |
| Seaborough Electronics IP B.V. | 11 |
3 |
| Koninklijke Philips Electronics N.V. | 10060 |
2 |
| iLumisys, Inc. | 131 |
2 |
| Opple Lighting Co., Ltd. | 787 |
2 |
| pmdtechnologies ag | 46 |
2 |
| Shanghai Bright Power Semiconductor Co., Ltd. | 83 |
2 |
| Silicon Hill B.V. | 19 |
2 |
| Zumtobel Lighting GmbH | 731 |
2 |
| Xiamen Eco Lighting Co. Ltd. | 288 |
2 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6124 |
2 |
| Philips Intellectual Property & Standards GmbH | 1989 |
2 |
| Apple Inc. | 54416 |
1 |
| Other owners | 39 |