- 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: 250
10-year publication summary
|
19
|
71
|
60
|
58
|
45
|
30
|
12
|
14
|
15
|
7
|
| 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 | 402 |
72 |
| LEDVANCE GmbH | 575 |
11 |
| Signify Holding B.V. | 7535 |
9 |
| DVA Holdings LLC | 36 |
9 |
| Orion Energy Systems, Inc. | 56 |
8 |
| DVA Mayday Corporation, DBA Deltavation | 31 |
7 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
7 |
| Samsung Electronics Co., Ltd. | 145864 |
6 |
| Xiamen PVTECH Co., Ltd. | 144 |
6 |
| Bridgelux, Inc. | 365 |
5 |
| LED Smart Inc. | 34 |
5 |
| Ledvance LLC | 320 |
5 |
| Ideal Industries Lighting LLC | 1133 |
5 |
| ABL IP Holding LLC | 1905 |
4 |
| Feit Electric Company, Inc. | 267 |
4 |
| Keystone Technologies, LLC | 28 |
4 |
| Epistar Corporation | 1488 |
3 |
| Hunter Douglas Inc. | 893 |
3 |
| Hubbell Lighting, Inc | 630 |
3 |
| Sharp Kabushiki Kaisha | 18764 |
3 |
| Other owners | 71 |