- 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 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
Patent holdings for IPC class F21V 29/77
Total number of patents in this class: 599
10-year publication summary
|
116
|
82
|
73
|
85
|
91
|
40
|
34
|
33
|
17
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ideal Industries Lighting LLC | 1137 |
70 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 392 |
48 |
| Signify Holding B.V. | 7364 |
34 |
| Lighting Defense Group, LLC | 41 |
23 |
| Eaton Intelligent Power Limited | 5896 |
18 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1430 |
16 |
| Feit Electric Company, Inc. | 251 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 30670 |
10 |
| Consumer Lighting, LLC | 41 |
10 |
| ABL IP Holding LLC | 1903 |
9 |
| Xiamen Eco Lighting Co. Ltd. | 288 |
9 |
| Ideal Industries, LLC | 85 |
8 |
| Creeled, Inc. | 785 |
8 |
| Samsung Electronics Co., Ltd. | 142777 |
7 |
| Hubbell Lighting, Inc | 628 |
7 |
| Acera LLC | 19 |
7 |
| Lighting Science Group Corporation | 180 |
6 |
| Signify North America Corporation | 193 |
6 |
| Mitsubishi Electric Corporation | 45510 |
5 |
| DMF, Inc. | 122 |
5 |
| Other owners | 281 |