- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21K - Non-electric light sources using luminescence; light sources using electrochemiluminescence; light sources using charges of combustible material; light sources using semiconductor devices as light-generating elements; light sources not otherwise provided for
- F21K 2/04 - Non-electric light sources using luminescence; Light sources using electrochemiluminescence using thermoluminescence
Patent holdings for IPC class F21K 2/04
Total number of patents in this class: 9
10-year publication summary
|
3
|
1
|
2
|
1
|
1
|
2
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nike, Inc. | 13657 |
3 |
| Triangle Resource Holding AG | 10 |
2 |
| Daegu Gyeongbuk Institute of Science and Technology | 622 |
1 |
| Industry-University Cooperation Foundation Hanyang University | 1009 |
1 |
| UChicago Argonne, LLC | 888 |
1 |
| The University of Akron | 662 |
1 |
| Other owners | 0 |