- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 41/38 - Expansion means; Dispositions thereof specially adapted for reversible cycles, e.g. bidirectional expansion restrictors
Patent holdings for IPC class F25B 41/38
Total number of patents in this class: 12
10-year publication summary
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0
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0
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0
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2
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2
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0
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2
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1
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4
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
2 |
| Hanon Systems | 1632 |
2 |
| Parker-Hannifin Corporation | 999 |
2 |
| BWXT Advanced Technologies LLC | 96 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Booz Allen Hamilton Inc. | 229 |
1 |
| Rheem Manufacturing Company | 861 |
1 |
| Other owners | 0 |