- 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 29/83 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
Patent holdings for IPC class F21V 29/83
Total number of patents in this class: 879
10-year publication summary
|
103
|
152
|
153
|
141
|
139
|
142
|
73
|
50
|
48
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 364 |
124 |
| Signify Holding B.V. | 6837 |
39 |
| Ideal Industries Lighting LLC | 1168 |
35 |
| Quarkstar LLC | 215 |
21 |
| Feit Electric Company, Inc. | 237 |
19 |
| Fluence Bioengineering, Inc. | 122 |
15 |
| ABL IP Holding LLC | 1929 |
13 |
| Lighting Defense Group, LLC | 48 |
12 |
| Eaton Intelligent Power Limited | 6113 |
11 |
| Milwaukee Electric Tool Corporation | 3572 |
10 |
| Zumtobel Lighting GmbH | 701 |
10 |
| Liquid Lumens, LLC | 23 |
10 |
| Go Fan Yourself, LLC | 45 |
10 |
| Opple Lighting Co., Ltd. | 698 |
9 |
| Xiamen Eco Lighting Co. Ltd. | 288 |
9 |
| Valeo Vision | 1219 |
8 |
| Kyocera Sld Laser, Inc. | 281 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| Hubbell Lighting, Inc | 673 |
7 |
| Suzhou Opple Lighting Co., Ltd. | 479 |
7 |
| Other owners | 495 |