- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; rotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 18/38 - Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups , , , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group and having a hinged member
Patent holdings for IPC class F04C 18/38
Total number of patents in this class: 5
10-year publication summary
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1
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1
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1
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0
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0
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0
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0
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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CAIRE Inc. | 75 |
2 |
| Daikin Industries, Ltd. | 9495 |
1 |
| Beijing Rostar Technology Co. Ltd | 15 |
1 |
| Chart SeQual Technologies Inc. | 5 |
1 |
| Other owners | 0 |