- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat 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: 184
10-year publication summary
|
17
|
21
|
13
|
13
|
16
|
6
|
4
|
6
|
15
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9838 |
20 |
| Mitsubishi Electric Corporation | 44851 |
15 |
| Panasonic Corporation | 20315 |
12 |
| Matsushita Electric Industrial Co., Ltd. | 2826 |
11 |
| Mayekawa Mfg. Co., Ltd. | 338 |
6 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 840 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 858 |
5 |
| Bitzer Kühlmaschinenbau GmbH | 179 |
4 |
| Rolls-Royce Corporation | 1719 |
4 |
| NTN Corporation | 4976 |
3 |
| BAE SYSTEMS plc | 2298 |
3 |
| Bitzer Kuehlmaschinenbau GmbH | 146 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1133 |
3 |
| Saudi Arabian Oil Company | 12446 |
3 |
| Malta Inc. | 109 |
3 |
| Toyota Motor Corporation | 30455 |
2 |
| Hamilton Sundstrand Corporation | 4728 |
2 |
| Energy Recovery, Inc. | 175 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3599 |
2 |
| Regal Beloit America, Inc. | 915 |
2 |
| Other owners | 74 |