- 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 31/03 - Gas-tight or water-tight arrangements with provision for venting
Patent holdings for IPC class F21V 31/03
Total number of patents in this class: 237
10-year publication summary
|
25
|
18
|
30
|
21
|
17
|
21
|
10
|
20
|
16
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 7879 |
48 |
| Wangs Alliance Corp., DBA WAC Lighting | 125 |
23 |
| Signify Holding B.V. | 6837 |
13 |
| Ideal Industries Lighting LLC | 1168 |
13 |
| Seescan, Inc. | 457 |
7 |
| ABL IP Holding LLC | 1929 |
5 |
| Honda Motor Co., Ltd. | 24537 |
4 |
| Goodrich Lighting Systems GmbH | 131 |
4 |
| LSI Industries, Inc. | 185 |
4 |
| Streamlight, Inc. | 394 |
4 |
| OSRAM GmbH | 2442 |
3 |
| Gore Enterprise Holdings, Inc. | 217 |
3 |
| GVS S.p.A. | 85 |
3 |
| Koito Manufacturing Co., Ltd. | 1991 |
3 |
| SGM Light A/S | 30 |
3 |
| L70 Technologies, LLC | 5 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Continental Automotive GmbH | 5573 |
2 |
| 9609385 Canada Inc. | 61 |
2 |
| Automotive Lighting Reutlingen GmbH | 60 |
2 |
| Other owners | 86 |