- 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 29/75 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
Patent holdings for IPC class F21V 29/75
Total number of patents in this class: 173
10-year publication summary
|
18
|
15
|
25
|
12
|
22
|
15
|
8
|
9
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7592 |
22 |
| Ideal Industries Lighting LLC | 942 |
17 |
| Lighting Defense Group, LLC | 43 |
12 |
| Hubbell Lighting, Inc | 629 |
8 |
| Creeled, Inc. | 942 |
6 |
| Hubbell Incorporated | 3286 |
5 |
| Fluence Bioengineering, Inc. | 119 |
5 |
| Koito Manufacturing Co., Ltd. | 2260 |
4 |
| Consumer Lighting, LLC | 42 |
4 |
| Intensity Lighting Company, LLC | 193 |
4 |
| Lumileds Singapore Pte. Ltd. | 1272 |
4 |
| eLumigen LLC | 34 |
3 |
| Exposure Illumination Architects, Inc. | 37 |
3 |
| Iris Ohyama, Inc. | 292 |
3 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1414 |
3 |
| Black & Decker, Inc. | 2408 |
2 |
| Electraled, Inc. | 30 |
2 |
| Epistar Corporation | 1487 |
2 |
| Hgci, Inc. | 324 |
2 |
| Lumileds LLC | 711 |
2 |
| Other owners | 60 |