- 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 17/04 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages onto or by the light source
Patent holdings for IPC class F21V 17/04
Total number of patents in this class: 111
10-year publication summary
|
8
|
11
|
12
|
16
|
28
|
11
|
3
|
6
|
8
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Korrus, Inc. | 447 |
7 |
| Haisong Dong | 6 |
5 |
| Contemporary Visions, L.L.C. | 316 |
4 |
| Koninklijke Philips Electronics N.V. | 13133 |
3 |
| OSRAM GmbH | 2442 |
3 |
| Boe Technology Group Co., Ltd. | 35384 |
3 |
| Cosmo Lighting Inc. | 16 |
3 |
| Cyalume Technologies, Inc. | 77 |
3 |
| Signify Holding B.V. | 6837 |
3 |
| OPTOTRONIC GmbH | 198 |
3 |
| Koninklijke Philips N.V. | 22975 |
2 |
| Au Optronics Corporation | 3880 |
2 |
| Osram AG | 305 |
2 |
| ABL IP Holding LLC | 1929 |
2 |
| Designs for Vision, Inc. | 88 |
2 |
| Dialight Corporation | 233 |
2 |
| Ushio Denki Kabushiki Kaisha | 1088 |
2 |
| Hubbell Lighting, Inc | 673 |
2 |
| Xiamen Eco Lighting Co. Ltd. | 288 |
2 |
| Hefei BOE Display Lighting Co., Ltd. | 64 |
2 |
| Other owners | 54 |