- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24S - Solar heat collectors; solar heat systems
- F24S 70/20 - SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS - Details of absorbing elements characterised by surface treatment for increasing absorption
Patent holdings for IPC class F24S 70/20
Total number of patents in this class: 75
10-year publication summary
|
5
|
2
|
6
|
11
|
14
|
5
|
15
|
7
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Massachusetts Institute of Technology | 9913 |
5 |
| The Regents of the University of California | 19517 |
3 |
| Commercial Energy Saving Plus, LLC | 7 |
3 |
| News | 11 |
3 |
| Centre National de La Recherche Scientifique | 10102 |
2 |
| Almeco GmbH | 14 |
2 |
| Surrey NanoSystems Limited | 22 |
2 |
| Universite de Lorraine | 368 |
2 |
| Viessmann Faulquemont | 5 |
2 |
| IP Equity Management, LLC | 4 |
2 |
| Mannesmann Precision Tubes France | 2 |
2 |
| O'daniels, LLC. | 57 |
2 |
| Canon Inc. | 38148 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4043 |
1 |
| Wisconsin Alumni Research Foundation | 3820 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
1 |
| Tsinghua University | 5705 |
1 |
| The Trustees of Columbia University in the City of New York | 3524 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4806 |
1 |
| Toyota Industries Corporation | 1057 |
1 |
| Other owners | 37 |