- 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 9/235 - Details of bases or caps, i.e. the parts that connect the light source to a fittingArrangement of components within bases or caps
Patent holdings for IPC class F21K 9/235
Total number of patents in this class: 466
10-year publication summary
|
87
|
85
|
91
|
93
|
44
|
39
|
33
|
34
|
27
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 423 |
52 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
39 |
| Feit Electric Company, Inc. | 298 |
26 |
| Signify Holding B.V. | 8100 |
24 |
| Quarkstar LLC | 225 |
21 |
| Musco Corporation | 286 |
12 |
| Seoul Semiconductor Co., Ltd. | 1059 |
12 |
| Korrus, Inc. | 487 |
11 |
| LEDVANCE GmbH | 588 |
10 |
| Satco Products, Inc. | 68 |
7 |
| Leedarson Lighting Co., Ltd. | 190 |
6 |
| Savant Technologies, LLC | 387 |
6 |
| Dongguan Huihuan Lighting Co., Ltd. | 42 |
6 |
| Edisonled LLC | 52 |
6 |
| Samsung Electronics Co., Ltd. | 158337 |
5 |
| Ledvance LLC | 313 |
5 |
| Technical Consumer Products, Inc. | 84 |
5 |
| Zhejiang Super Lighting Electric Appliance Co., Ltd. | 55 |
5 |
| Xiamen Leedarson Lighting Co.Ltd. | 103 |
5 |
| Epic Universal Technologies, LLC | 21 |
5 |
| Other owners | 198 |