- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21K - Non-electric light sources using luminescencelight sources using electrochemiluminescencelight sources using charges of combustible materiallight sources using semiconductor devices as light-generating elementslight sources not otherwise provided for
- F21K 9/275 - Details of bases or housings, i.e. the parts between the light-generating element and the end capsArrangement of components within bases or housings
Patent holdings for IPC class F21K 9/275
Total number of patents in this class: 253
10-year publication summary
|
14
|
67
|
60
|
57
|
45
|
30
|
12
|
14
|
17
|
8
|
| 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 | 404 |
72 |
| LEDVANCE GmbH | 584 |
11 |
| Signify Holding B.V. | 7649 |
9 |
| DVA Holdings LLC | 36 |
9 |
| Orion Energy Systems, Inc. | 55 |
8 |
| DVA Mayday Corporation, DBA Deltavation | 31 |
7 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
7 |
| Samsung Electronics Co., Ltd. | 148173 |
6 |
| Xiamen PVTECH Co., Ltd. | 158 |
6 |
| Bridgelux, Inc. | 369 |
5 |
| LED Smart Inc. | 36 |
5 |
| Ledvance LLC | 314 |
5 |
| Ideal Industries Lighting LLC | 941 |
5 |
| ABL IP Holding LLC | 1905 |
4 |
| Feit Electric Company, Inc. | 272 |
4 |
| Keystone Technologies, LLC | 29 |
4 |
| Epistar Corporation | 1478 |
3 |
| Hunter Douglas Inc. | 900 |
3 |
| Musco Corporation | 279 |
3 |
| Hubbell Lighting, Inc | 623 |
3 |
| Other owners | 74 |