- 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 2/00 - Non-electric light sources using luminescenceLight sources using electrochemiluminescence
Patent holdings for IPC class F21K 2/00
Total number of patents in this class: 186
10-year publication summary
|
25
|
19
|
13
|
6
|
8
|
8
|
9
|
9
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lufthansa Technik AG | 494 |
8 |
| Immunolight, LLC | 212 |
7 |
| Fanlight Co., Ltd. | 49 |
7 |
| Ford Global Technologies, LLC | 21263 |
6 |
| Nichia Corporation | 3827 |
6 |
| Coretronic Corporation | 1341 |
4 |
| Cyalume Technologies, Inc. | 71 |
4 |
| Rensselaer Polytechnic Institute | 847 |
4 |
| Koninklijke Philips Electronics N.V. | 8057 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
3 |
| Northwestern University | 3501 |
3 |
| Sherpa Enterprises LLC | 12 |
3 |
| Toshiba Corporation | 12693 |
2 |
| Massachusetts Institute of Technology | 10196 |
2 |
| OSRAM GmbH | 2266 |
2 |
| Osram AG | 289 |
2 |
| Appotronics Corporation Limited | 1128 |
2 |
| Bell Helicopter Textron Inc. | 973 |
2 |
| Defense Holdings, Inc. | 15 |
2 |
| Dexerials Corporation | 1994 |
2 |
| Other owners | 112 |