- 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 29/74 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
Patent holdings for IPC class F21V 29/74
Total number of patents in this class: 855
10-year publication summary
|
134
|
146
|
160
|
124
|
103
|
85
|
61
|
51
|
39
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ideal Industries Lighting LLC | 1168 |
69 |
| Signify Holding B.V. | 6837 |
49 |
| Hubbell Lighting, Inc | 673 |
33 |
| Lighting Defense Group, LLC | 48 |
30 |
| Fluence Bioengineering, Inc. | 122 |
17 |
| DVA Holdings LLC | 37 |
15 |
| Eaton Intelligent Power Limited | 6113 |
14 |
| DVA Mayday Corporation, DBA Deltavation | 31 |
13 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
13 |
| Epistar Corporation | 1553 |
12 |
| Korrus, Inc. | 447 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
10 |
| ABL IP Holding LLC | 1929 |
10 |
| Koito Manufacturing Co., Ltd. | 1991 |
10 |
| Integra LifeSciences Corporation | 278 |
9 |
| Lumileds LLC | 1827 |
9 |
| Ultravision Technologies, LLC | 36 |
9 |
| Consumer Lighting, LLC | 44 |
9 |
| LG Innotek Co., Ltd. | 6758 |
8 |
| Nichia Corporation | 3394 |
8 |
| Other owners | 497 |