- 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: 322
10-year publication summary
|
30
|
17
|
22
|
15
|
34
|
37
|
32
|
29
|
27
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5015 |
44 |
| Sumitomo Heavy Industries, Ltd. | 2112 |
25 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
22 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 78 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
9 |
| Rolls-Royce Corporation | 1677 |
8 |
| Justairtech GmbH | 19 |
8 |
| Mayekawa Mfg. Co., Ltd. | 367 |
7 |
| Malta Inc. | 105 |
7 |
| Thevu LLC | 7 |
7 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
6 |
| Mitsubishi Electric Corporation | 48018 |
5 |
| Siemens AG | 24029 |
3 |
| LG Electronics Inc. | 75694 |
3 |
| The Boeing Company | 20160 |
3 |
| Airbus Operations GmbH | 3446 |
3 |
| Carrier Corporation | 3955 |
3 |
| Heatcraft Refrigeration Products LLC | 275 |
3 |
| Linde Aktiengesellschaft | 1421 |
3 |
| Taiyo Nippon Sanso Corporation | 365 |
3 |
| Other owners | 139 |