- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 9/131 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers with two mechanically connected pumping members
Patent holdings for IPC class F04B 9/131
Total number of patents in this class: 15
10-year publication summary
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4
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0
|
2
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0
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2
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2
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Centre National de La Recherche Scientifique | 10068 |
2 |
| White Knight Fluid Handling, Inc | 27 |
2 |
| PSG Worldwide, Inc. | 22 |
2 |
| PSG California LLC | 72 |
2 |
| Heraeus Medical GmbH | 290 |
1 |
| Maximator GmbH | 17 |
1 |
| ALVAREZ REVUELTA, Jesus | 1 |
1 |
| ALVAREZ REVUELTA, Rosa Ana | 1 |
1 |
| Newco Ed and Sons Holding, S.L. | 1 |
1 |
| Loram Technologies, Inc. | 59 |
1 |
| Off Technologies STP, SL | 4 |
1 |
| Other owners | 0 |