- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21K - Non-electric light sources using luminescencelight sources using electrochemiluminescencelight sources using charges of combustible materiallight sources using semiconductor devices as light-generating elementslight sources not otherwise provided for
- F21K 9/20 - Light sources comprising attachment means
Patent holdings for IPC class F21K 9/20
Total number of patents in this class: 611
10-year publication summary
|
84
|
123
|
115
|
85
|
61
|
31
|
17
|
25
|
24
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8061 |
26 |
| Opple Lighting Co., Ltd. | 922 |
18 |
| LG Innotek Co., Ltd. | 8486 |
14 |
| Musco Corporation | 286 |
14 |
| Suzhou Opple Lighting Co., Ltd. | 687 |
12 |
| Federal Law Enforcement Development Services, Inc. | 64 |
11 |
| Ideal Industries Lighting LLC | 930 |
10 |
| Creeled, Inc. | 972 |
9 |
| Lumileds Singapore Pte. Ltd. | 1262 |
8 |
| ABL IP Holding LLC | 1887 |
7 |
| Ultravision Technologies, LLC | 29 |
7 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1253 |
7 |
| Nanolumens Acquisition, Inc. | 113 |
6 |
| Hubbell Lighting, Inc | 575 |
6 |
| Ylx Incorporated | 202 |
6 |
| DVA Holdings LLC | 37 |
6 |
| Boe Technology Group Co., Ltd. | 44074 |
5 |
| DVA Mayday Corporation, DBA Deltavation | 30 |
5 |
| LEDVANCE GmbH | 589 |
5 |
| TTP Holdings LLC | 8 |
5 |
| Other owners | 424 |