- 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: 2113
10-year publication summary
|
310
|
279
|
286
|
249
|
187
|
130
|
115
|
96
|
79
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7842 |
128 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
89 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 414 |
49 |
| Ideal Industries Lighting LLC | 934 |
48 |
| Feit Electric Company, Inc. | 282 |
37 |
| ABL IP Holding LLC | 1892 |
31 |
| Korrus, Inc. | 481 |
27 |
| LG Innotek Co., Ltd. | 8122 |
26 |
| Wangs Alliance Corp., DBA WAC Lighting | 234 |
26 |
| Lighting Defense Group, LLC | 44 |
26 |
| Lumileds Singapore Pte. Ltd. | 1259 |
24 |
| Panasonic Intellectual Property Management Co., Ltd. | 33248 |
21 |
| Koito Manufacturing Co., Ltd. | 2372 |
21 |
| LEDVANCE GmbH | 587 |
20 |
| DVA Holdings LLC | 37 |
20 |
| Opple Lighting Co., Ltd. | 869 |
19 |
| Kyocera Sld Laser, Inc. | 302 |
18 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1297 |
18 |
| DVA Mayday Corporation, DBA Deltavation | 30 |
17 |
| MAG Instrument, Inc. | 154 |
17 |
| Other owners | 1431 |