- 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 31/00 - Gas-tight or water-tight arrangements
Patent holdings for IPC class F21V 31/00
Total number of patents in this class: 1752
10-year publication summary
|
202
|
214
|
283
|
268
|
228
|
231
|
204
|
148
|
153
|
36
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6837 |
63 |
| Eaton Intelligent Power Limited | 6113 |
38 |
| Seescan, Inc. | 457 |
27 |
| Zumtobel Lighting GmbH | 701 |
26 |
| Wangs Alliance Corp., DBA WAC Lighting | 125 |
23 |
| Opple Lighting Co., Ltd. | 698 |
20 |
| Luminaid Lab LLC | 25 |
19 |
| Hangzhou Hpwinner Opto Corporation | 95 |
18 |
| Ideal Industries Lighting LLC | 1168 |
18 |
| OSRAM GmbH | 2442 |
16 |
| Koninklijke Philips N.V. | 22975 |
15 |
| Nichia Corporation | 3394 |
15 |
| ABL IP Holding LLC | 1929 |
15 |
| Schreder, S.A. | 270 |
15 |
| Ultravision Technologies, LLC | 36 |
14 |
| Hubbell Lighting, Inc | 673 |
14 |
| Xiamen Eco Lighting Co. Ltd. | 288 |
13 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
13 |
| Liquid Lumens, LLC | 23 |
12 |
| Hayward Industries, Inc. | 669 |
11 |
| Other owners | 1347 |