- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 9/10 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point with several cooling stages
Patent holdings for IPC class F25B 9/10
Total number of patents in this class: 272
10-year publication summary
|
18
|
30
|
15
|
23
|
23
|
20
|
28
|
39
|
25
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Heavy Industries, Ltd. | 1857 |
40 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3911 |
14 |
| Koninklijke Philips N.V. | 24499 |
10 |
| Oxford Instruments NanoTechnology Tools Limited | 159 |
10 |
| International Business Machines Corporation | 60806 |
7 |
| Raytheon Company | 8396 |
7 |
| Hamilton Sundstrand Corporation | 4824 |
6 |
| Maybell Quantum Industries, Inc. | 16 |
6 |
| Daikin Industries, Ltd. | 9944 |
5 |
| Supercritical Fluid Technologies, Inc. | 17 |
5 |
| Anyon Systems Inc., DBA Anyon Systems Inc. | 41 |
5 |
| IBM Deutschland GmbH | 756 |
5 |
| kiutra GmbH | 21 |
5 |
| Bluefors Oy | 40 |
5 |
| Edwards Vacuum LLC | 172 |
4 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 78 |
4 |
| Iceoxford Limited | 4 |
4 |
| Bruker BioSpin GmbH & Co. KG | 122 |
4 |
| Airbus Operations GmbH | 3318 |
3 |
| Japan Superconductor Technology Inc. | 34 |
3 |
| Other owners | 120 |