- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24J - Production or use of heat not otherwise provided for (materials therefor C09K 5/00;engines or other mechanisms for producing mechanical power from heat, see the relevant classes, e.g. f03g for using natural heat)
- F24J 2/04 - Solar heat collectors having working fluid conveyed through collector
Patent holdings for IPC class F24J 2/04
Total number of patents in this class: 507
10-year publication summary
|
64
|
21
|
4
|
4
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 20556 |
8 |
| Ibiden Co., Ltd. | 1667 |
8 |
| Babcock Power Services, Inc. | 23 |
8 |
| W&e International (Canada) Corp. | 19 |
7 |
| Abengoa Solar LLC | 19 |
6 |
| GlassPoint Solar, Inc. | 25 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11013 |
5 |
| puren gmbh | 37 |
5 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6114 |
5 |
| Robert Bosch GmbH | 43631 |
4 |
| Abengoa Solar New Technologies, S.A. | 155 |
4 |
| Korea Institute of Energy Research | 880 |
4 |
| Soltech Energy Sweden AB | 12 |
4 |
| The Boeing Company | 20094 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33602 |
3 |
| Massachusetts Institute of Technology | 10201 |
3 |
| Cupa Innovacion, S.L.U. | 12 |
3 |
| Hollick Solar Systems Limited | 8 |
3 |
| Iis Institute for Independent Studies GmbH | 6 |
3 |
| Logistica y Acondicionamientos Industriales, S.A.U. | 5 |
3 |
| Other owners | 412 |