- 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 29/61 - Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by control arrangements
Patent holdings for IPC class F21V 29/61
Total number of patents in this class: 73
10-year publication summary
|
7
|
14
|
7
|
11
|
7
|
7
|
8
|
5
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Go Fan Yourself, LLC | 53 |
7 |
| Signify Holding B.V. | 7914 |
4 |
| Guangzhou Haoyang Electronic Co., Ltd. | 244 |
3 |
| NBCUniversal Media, LLC | 546 |
3 |
| ROBE Lighting s.r.o. | 146 |
3 |
| Cleantek Industries Inc. | 22 |
3 |
| Fohse Inc. | 23 |
3 |
| Nail Alliance, LLC | 107 |
2 |
| Production Resource Group, LLC | 237 |
2 |
| Sld Technology, Inc. | 32 |
2 |
| Blue Skies 1989 B.V. | 3 |
2 |
| Clay Paky S.r.l. | 122 |
2 |
| Samsung Electronics Co., Ltd. | 154406 |
1 |
| Denso Corporation | 25261 |
1 |
| Hoya Corporation | 2736 |
1 |
| Makita Corporation | 2527 |
1 |
| Japan Display Inc. | 2912 |
1 |
| Air Motion Systems, Inc. | 31 |
1 |
| citizen Electronics Co., Ltd. | 342 |
1 |
| citizen Watch Co., Ltd. | 1082 |
1 |
| Other owners | 29 |