- 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: 186
10-year publication summary
14
|
17
|
21
|
13
|
13
|
16
|
6
|
4
|
6
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Daikin Industries, Ltd. | 9495 |
24 |
Matsushita Electric Industrial Co., Ltd. | 4724 |
16 |
Mitsubishi Electric Corporation | 43934 |
15 |
Panasonic Corporation | 20786 |
12 |
Mayekawa Mfg. Co., Ltd. | 327 |
6 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
5 |
Nuovo Pignone Tecnologie S.r.l. | 789 |
5 |
Bitzer Kühlmaschinenbau GmbH | 176 |
4 |
Rolls-Royce Corporation | 1686 |
4 |
NTN Corporation | 5008 |
3 |
Bitzer Kuehlmaschinenbau GmbH | 140 |
3 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
3 |
Rolls-Royce North American Technologies, Inc. | 1079 |
3 |
Saudi Arabian Oil Company | 11322 |
3 |
Malta Inc. | 107 |
3 |
Toyota Motor Corporation | 28582 |
2 |
Hamilton Sundstrand Corporation | 4525 |
2 |
BAE SYSTEMS plc | 2215 |
2 |
Energy Recovery, Inc. | 168 |
2 |
Regal Beloit America, Inc. | 939 |
2 |
Other owners | 67 |