- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21V - Functional features or details of lighting devices or systems thereof; structural 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: 323
10-year publication summary
|
33
|
35
|
22
|
40
|
43
|
54
|
38
|
40
|
31
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6940 |
23 |
| Opple Lighting Co., Ltd. | 742 |
13 |
| Feit Electric Company, Inc. | 244 |
12 |
| Suzhou Opple Lighting Co., Ltd. | 522 |
12 |
| Lighting Defense Group, LLC | 48 |
10 |
| Nichia Corporation | 3470 |
9 |
| Hubbell Lighting, Inc | 661 |
9 |
| ABL IP Holding LLC | 1924 |
7 |
| Axis Lighting Inc. | 94 |
7 |
| Hunter Fan Company | 703 |
7 |
| Ideal Industries Lighting LLC | 1153 |
6 |
| Hubbell Incorporated | 3127 |
5 |
| LSI Industries, Inc. | 186 |
5 |
| Orion Energy Systems, Inc. | 58 |
5 |
| Power Concepts, LLC | 7 |
5 |
| Seas II Day, LLC | 5 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 28611 |
4 |
| CP IP Holdings Limited | 12 |
4 |
| Ledvance LLC | 331 |
4 |
| Lowe's Companies, Inc. | 145 |
4 |
| Other owners | 167 |