- 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 29/505 - Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
Patent holdings for IPC class F21V 29/505
Total number of patents in this class: 155
10-year publication summary
|
17
|
27
|
12
|
12
|
17
|
16
|
14
|
6
|
6
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Quarkstar LLC | 215 |
18 |
| Signify Holding B.V. | 6837 |
15 |
| Ideal Industries Lighting LLC | 1168 |
13 |
| Ideal Industries, LLC | 87 |
8 |
| Koito Manufacturing Co., Ltd. | 1991 |
5 |
| Creeled, Inc. | 748 |
5 |
| Nichia Corporation | 3394 |
4 |
| Hgci, Inc. | 869 |
4 |
| Sharp Corporation | 10015 |
3 |
| Appotronics Corporation Limited | 1111 |
3 |
| Lumileds LLC | 1827 |
3 |
| Mind Head LLC | 43 |
3 |
| Hubbell Lighting, Inc | 673 |
3 |
| Xerox Corporation | 7503 |
2 |
| Panasonic Corporation | 20786 |
2 |
| Koninklijke Philips N.V. | 22975 |
2 |
| Hoya Candeo Optronics Corporation | 42 |
2 |
| Stanley Electric Co., Ltd. | 1102 |
2 |
| Ushio Denki Kabushiki Kaisha | 1088 |
2 |
| Eaton Intelligent Power Limited | 6113 |
2 |
| Other owners | 54 |