- 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 29/70 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
Patent holdings for IPC class F21V 29/70
Total number of patents in this class: 2087
10-year publication summary
|
334
|
310
|
279
|
286
|
249
|
187
|
130
|
115
|
95
|
66
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7664 |
125 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
89 |
| Ideal Industries Lighting LLC | 940 |
49 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 404 |
48 |
| Feit Electric Company, Inc. | 272 |
37 |
| ABL IP Holding LLC | 1907 |
30 |
| Korrus, Inc. | 466 |
26 |
| LG Innotek Co., Ltd. | 7873 |
25 |
| Wangs Alliance Corp., DBA WAC Lighting | 228 |
25 |
| Lighting Defense Group, LLC | 44 |
25 |
| Lumileds Singapore Pte. Ltd. | 1265 |
24 |
| Nichia Corporation | 3762 |
22 |
| Koito Manufacturing Co., Ltd. | 2306 |
21 |
| LEDVANCE GmbH | 584 |
20 |
| DVA Holdings LLC | 36 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 32219 |
19 |
| Opple Lighting Co., Ltd. | 859 |
19 |
| Kyocera Sld Laser, Inc. | 299 |
18 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1377 |
18 |
| DVA Mayday Corporation, DBA Deltavation | 31 |
17 |
| Other owners | 1410 |