- 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 29/50 - Cooling arrangements
Patent holdings for IPC class F21V 29/50
Total number of patents in this class: 127
10-year publication summary
29
|
17
|
8
|
20
|
11
|
10
|
10
|
8
|
7
|
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. | 7452 |
10 |
Hubbell Incorporated | 3247 |
3 |
Hgci, Inc. | 824 |
3 |
Iwasaki Electric Co., Ltd. | 152 |
3 |
Technical Consumer Products, Inc. | 90 |
3 |
Eaton Intelligent Power Limited | 5974 |
3 |
Xiamen Leedarson Lighting Co.Ltd. | 103 |
3 |
Korrus, Inc. | 462 |
3 |
Seiko Epson Corporation | 19316 |
2 |
Amp Plus, Inc., DBA Elco Lighting | 36 |
2 |
Ayrton | 98 |
2 |
Intelligent Lighting Technologies Inc. | 13 |
2 |
LEDVANCE GmbH | 573 |
2 |
Lumileds LLC | 1913 |
2 |
Shanghai Sansi Electronic Engineering Co., Ltd | 49 |
2 |
Xiamen Eco Lighting Co. Ltd. | 282 |
2 |
Energyficient Lighting Systems, Inc. | 2 |
2 |
Agnetix, Inc. | 44 |
2 |
Ideal Industries Lighting LLC | 1134 |
2 |
Xerox Corporation | 7021 |
1 |
Other owners | 73 |