- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 11/02 - Compression machines, plants or systems, using turbines, e.g. gas turbines as expanders
Patent holdings for IPC class F25B 11/02
Total number of patents in this class: 180
10-year publication summary
|
14
|
21
|
12
|
12
|
14
|
6
|
4
|
5
|
16
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10027 |
17 |
| Mitsubishi Electric Corporation | 46197 |
15 |
| Panasonic Corporation | 20088 |
12 |
| Mayekawa Mfg. Co., Ltd. | 337 |
7 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 889 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 981 |
5 |
| Matsushita Electric Industrial Co., Ltd. | 1411 |
4 |
| Bitzer Kühlmaschinenbau GmbH | 177 |
4 |
| Rolls-Royce Corporation | 1739 |
4 |
| Hamilton Sundstrand Corporation | 4891 |
3 |
| NTN Corporation | 4973 |
3 |
| BAE SYSTEMS plc | 2337 |
3 |
| Bitzer Kuehlmaschinenbau GmbH | 152 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3985 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1169 |
3 |
| Saudi Arabian Oil Company | 13224 |
3 |
| Malta Inc. | 124 |
3 |
| Toyota Motor Corporation | 32450 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8752 |
2 |
| Energy Recovery, Inc. | 177 |
2 |
| Other owners | 77 |