- 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: 311
10-year publication summary
33
|
35
|
22
|
40
|
43
|
54
|
38
|
40
|
31
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Signify Holding B.V. | 6837 |
24 |
Feit Electric Company, Inc. | 237 |
12 |
Opple Lighting Co., Ltd. | 698 |
10 |
Lighting Defense Group, LLC | 48 |
10 |
Nichia Corporation | 3394 |
9 |
Hubbell Lighting, Inc | 673 |
9 |
Suzhou Opple Lighting Co., Ltd. | 479 |
9 |
Axis Lighting Inc. | 98 |
8 |
ABL IP Holding LLC | 1929 |
7 |
Orion Energy Systems, Inc. | 67 |
6 |
Ideal Industries Lighting LLC | 1168 |
6 |
Hubbell Incorporated | 3052 |
5 |
Hunter Fan Company | 699 |
5 |
Seas II Day, LLC | 5 |
5 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
CP IP Holdings Limited | 12 |
4 |
Ledvance LLC | 336 |
4 |
Lowe's Companies, Inc. | 143 |
4 |
LSI Industries, Inc. | 185 |
4 |
Novomatic AG | 1617 |
4 |
Other owners | 162 |