- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 30/04 - Heat pumps of the sorption type
Patent holdings for IPC class F25B 30/04
Total number of patents in this class: 137
10-year publication summary
|
17
|
14
|
14
|
16
|
9
|
7
|
6
|
10
|
8
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 618 |
6 |
| Enersion Inc. | 11 |
5 |
| Gobi Technologies Inc. | 9 |
5 |
| Climatewell AB | 15 |
4 |
| MAHLE International GmbH | 2778 |
4 |
| Stone Mountain Technologies, Inc. | 21 |
4 |
| Honda Motor Co., Ltd. | 25352 |
3 |
| Toyota Motor Corporation | 32599 |
3 |
| Aisin Seiki Kabushiki Kaisha | 2227 |
3 |
| EnerMotion, Inc. | 10 |
3 |
| Korea Institute of Machinery & Materials | 750 |
3 |
| OxiCool, Inc. | 30 |
3 |
| Yanmar Co., Ltd. | 1402 |
3 |
| AGO GmbH Energie + Anlagen | 9 |
3 |
| Fujitsu Limited | 18396 |
2 |
| Denso Corporation | 24387 |
2 |
| Ford Global Technologies, LLC | 20676 |
2 |
| Massachusetts Institute of Technology | 10080 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10930 |
2 |
| Behr GmbH & Co. KG | 308 |
2 |
| Other owners | 73 |