- 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 21/03 - Ceiling bases, e.g. ceiling roses
Patent holdings for IPC class F21V 21/03
Total number of patents in this class: 358
10-year publication summary
|
20
|
36
|
42
|
53
|
37
|
38
|
28
|
36
|
26
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7814 |
23 |
| Feit Electric Company, Inc. | 282 |
14 |
| Opple Lighting Co., Ltd. | 869 |
14 |
| Suzhou Opple Lighting Co., Ltd. | 642 |
13 |
| Lighting Defense Group, LLC | 44 |
12 |
| Nichia Corporation | 3803 |
9 |
| Hubbell Lighting, Inc | 610 |
9 |
| Hunter Fan Company | 840 |
8 |
| ABL IP Holding LLC | 1895 |
7 |
| Ideal Industries Lighting LLC | 935 |
6 |
| Hubbell Incorporated | 3359 |
5 |
| Axis Lighting Inc. | 76 |
5 |
| Lowe's Companies, Inc. | 155 |
5 |
| LSI Industries, Inc. | 181 |
5 |
| Orion Energy Systems, Inc. | 53 |
5 |
| Power Concepts, LLC | 7 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 33120 |
4 |
| CP IP Holdings Limited | 12 |
4 |
| Ledvance LLC | 313 |
4 |
| Lucifer Lighting Company | 65 |
4 |
| Other owners | 197 |