- 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: 189
10-year publication summary
|
21
|
25
|
19
|
13
|
6
|
8
|
8
|
9
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lufthansa Technik AG | 483 |
8 |
| Immunolight, LLC | 209 |
7 |
| Ford Global Technologies, LLC | 20852 |
6 |
| Nichia Corporation | 3763 |
6 |
| Fanlight Co., Ltd. | 46 |
6 |
| Coretronic Corporation | 1304 |
4 |
| Cyalume Technologies, Inc. | 72 |
4 |
| Rensselaer Polytechnic Institute | 835 |
4 |
| Koninklijke Philips Electronics N.V. | 8975 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 32244 |
3 |
| Northwestern University | 3442 |
3 |
| Sherpa Enterprises LLC | 12 |
3 |
| Toshiba Corporation | 12521 |
2 |
| Massachusetts Institute of Technology | 10129 |
2 |
| OSRAM GmbH | 2377 |
2 |
| Osram AG | 292 |
2 |
| Appotronics Corporation Limited | 1118 |
2 |
| Bell Helicopter Textron Inc. | 1023 |
2 |
| Defense Holdings, Inc. | 15 |
2 |
| Dexerials Corporation | 1948 |
2 |
| Other owners | 116 |