- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21W - Indexing scheme associated with subclasses , , and , relating to uses or applications of lighting devices or systems
- F21W 131/308 - Lighting for domestic or personal use for aquaria
Patent holdings for IPC class F21W 131/308
Total number of patents in this class: 34
10-year publication summary
|
6
|
4
|
5
|
3
|
4
|
4
|
5
|
2
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GloFish LLC | 94 |
4 |
| Ecotech, LLC | 84 |
4 |
| Spectrum Brands, Inc. | 895 |
3 |
| Signify Holding B.V. | 7237 |
3 |
| Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 804 |
2 |
| Shenzhen Nicai Technology Co., Ltd. | 8 |
2 |
| Suzhou HM Material Hi-Tech Co., Ltd | 4 |
2 |
| Samsung Electronics Co., Ltd. | 139001 |
1 |
| Koninklijke Philips Electronics N.V. | 10844 |
1 |
| Chengdu Zhituo Aquatics Co., Ltd. | 14 |
1 |
| Elive LLC | 6 |
1 |
| Glashutte Limburg Leuchten GmbH & Co., KG | 4 |
1 |
| Huizhou Light Engine Ltd. | 78 |
1 |
| Shenzhen Xingrisheng Industrial Co., Ltd. | 107 |
1 |
| JY LIN Trading Co, Ltd | 1 |
1 |
| Signify North America Corporation | 196 |
1 |
| Cranswick Pet & Aquatics Limited | 1 |
1 |
| Mode Lighting (UK) Limited | 1 |
1 |
| PR Technology Inc. | 3 |
1 |
| Sierra Space Corporation | 130 |
1 |
| Other owners | 1 |