- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 9/135 - 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 reciprocating movement of the pumping members being obtained by two single-acting elastic-fluid motors, each acting in one direction
Patent holdings for IPC class F04B 9/135
Total number of patents in this class: 14
10-year publication summary
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3
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3
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1
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1
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1
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1
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2
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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
|
|---|---|---|
| Carlisle Fluid Technologies, Inc. | 134 |
2 |
| Providence Enterprise Limited | 4 |
2 |
| PSG Worldwide, Inc. | 20 |
2 |
| PSG California LLC | 71 |
2 |
| Anest Iwata Corporation | 154 |
1 |
| Flow Control LLC. | 132 |
1 |
| Goodrich Actuation Systems SAS | 164 |
1 |
| SMC Corporation | 1359 |
1 |
| Camozzi Automation S.p.A. | 50 |
1 |
| Yta B.V. | 5 |
1 |
| Other owners | 0 |