- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat 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: 246
10-year publication summary
|
17
|
18
|
30
|
15
|
23
|
23
|
20
|
28
|
34
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Heavy Industries, Ltd. | 1670 |
35 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
11 |
| Koninklijke Philips N.V. | 22975 |
10 |
| Oxford Instruments NanoTechnology Tools Limited | 145 |
10 |
| Raytheon Company | 8535 |
8 |
| International Business Machines Corporation | 60644 |
7 |
| Hamilton Sundstrand Corporation | 4525 |
6 |
| Daikin Industries, Ltd. | 9495 |
5 |
| Supercritical Fluid Technologies, Inc. | 16 |
5 |
| IBM Deutschland GmbH | 670 |
5 |
| General Electric Company | 18133 |
4 |
| Bruker BioSpin GmbH | 136 |
4 |
| Edwards Vacuum LLC | 155 |
4 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 80 |
4 |
| Iceoxford Limited | 4 |
4 |
| kiutra GmbH | 19 |
4 |
| Airbus Operations GmbH | 3188 |
3 |
| Japan Superconductor Technology Inc. | 34 |
3 |
| Lennox Industries Inc. | 1088 |
3 |
| Anyon Systems Inc., DBA Anyon Systems Inc. | 30 |
3 |
| Other owners | 108 |