- 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 29/81 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with pins or wires with pins or wires having different shapes, lengths or spacing
Patent holdings for IPC class F21V 29/81
Total number of patents in this class: 13
10-year publication summary
|
2
|
4
|
1
|
1
|
2
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schreder, S.A. | 294 |
2 |
| DoPchoice GmbH | 2 |
2 |
| ABL IP Holding LLC | 1897 |
1 |
| Philips Lighting Holding B.V. | 1340 |
1 |
| Seescan, Inc. | 548 |
1 |
| Harman Professional Denmark ApS | 156 |
1 |
| Sumolight GmbH | 6 |
1 |
| Ecoled Limited | 7 |
1 |
| Shi WO Tai (Shanghai) Semiconductor Technology Co., Ltd. | 1 |
1 |
| Delta Intelligent Building Technologies (USA), LLC | 92 |
1 |
| Lumileds Singapore Pte. Ltd. | 1260 |
1 |
| Other owners | 0 |