- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 9/06 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders
Patent holdings for IPC class F25B 9/06
Total number of patents in this class: 317
10-year publication summary
|
30
|
17
|
22
|
15
|
34
|
37
|
32
|
29
|
26
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5019 |
44 |
| Sumitomo Heavy Industries, Ltd. | 2039 |
25 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4056 |
22 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 78 |
11 |
| Rolls-Royce Corporation | 1679 |
8 |
| Justairtech GmbH | 19 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 9030 |
7 |
| Mayekawa Mfg. Co., Ltd. | 345 |
7 |
| Malta Inc. | 107 |
7 |
| Thevu LLC | 7 |
7 |
| Rolls-Royce North American Technologies, Inc. | 1130 |
6 |
| Mitsubishi Electric Corporation | 47655 |
5 |
| Siemens AG | 24189 |
3 |
| LG Electronics Inc. | 75112 |
3 |
| The Boeing Company | 20094 |
3 |
| Airbus Operations GmbH | 3413 |
3 |
| Carrier Corporation | 3965 |
3 |
| Heatcraft Refrigeration Products LLC | 262 |
3 |
| Linde Aktiengesellschaft | 1433 |
3 |
| Taiyo Nippon Sanso Corporation | 370 |
3 |
| Other owners | 136 |