- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
Patent holdings for IPC class F25B 9/00
Total number of patents in this class: 1746
10-year publication summary
|
98
|
108
|
145
|
177
|
169
|
134
|
130
|
152
|
126
|
60
|
| 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 |
109 |
| Carrier Corporation | 4759 |
98 |
| Hamilton Sundstrand Corporation | 4525 |
56 |
| Daikin Industries, Ltd. | 9495 |
54 |
| Honeywell International Inc. | 13799 |
47 |
| Mitsubishi Electric Corporation | 43934 |
47 |
| LG Electronics Inc. | 69257 |
42 |
| Heatcraft Refrigeration Products LLC | 246 |
41 |
| Hill Phoenix, Inc. | 235 |
37 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
29 |
| Raytheon Company | 8535 |
19 |
| Arkema France | 3790 |
19 |
| Toshiba Materials Co., Ltd. | 600 |
16 |
| Hanon Systems | 1632 |
15 |
| Energy Recovery, Inc. | 168 |
13 |
| Mayekawa Mfg. Co., Ltd. | 327 |
13 |
| Agc, Inc. | 4029 |
13 |
| Edwards Vacuum LLC | 155 |
12 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 80 |
12 |
| Linde Aktiengesellschaft | 1600 |
11 |
| Other owners | 1043 |