- 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 29/70 - 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: 1993
10-year publication summary
|
242
|
360
|
323
|
296
|
298
|
265
|
193
|
134
|
116
|
25
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6837 |
120 |
| Xiamen Eco Lighting Co. Ltd. | 288 |
91 |
| Ideal Industries Lighting LLC | 1168 |
59 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 364 |
46 |
| Feit Electric Company, Inc. | 237 |
34 |
| Lumileds LLC | 1827 |
33 |
| ABL IP Holding LLC | 1929 |
30 |
| LG Innotek Co., Ltd. | 6758 |
24 |
| Korrus, Inc. | 447 |
24 |
| Wangs Alliance Corp., DBA WAC Lighting | 125 |
23 |
| Nichia Corporation | 3394 |
22 |
| Lighting Defense Group, LLC | 48 |
22 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
22 |
| LEDVANCE GmbH | 564 |
20 |
| DVA Holdings LLC | 37 |
20 |
| Koito Manufacturing Co., Ltd. | 1991 |
19 |
| MAG Instrument, Inc. | 174 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
18 |
| DVA Mayday Corporation, DBA Deltavation | 31 |
17 |
| Opple Lighting Co., Ltd. | 698 |
17 |
| Other owners | 1313 |