- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumpedsiphons
- F04F 9/00 - Diffusion pumps
Patent holdings for IPC class F04F 9/00
Total number of patents in this class: 15
10-year publication summary
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1
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1
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0
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1
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0
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0
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1
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0
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2
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shincron Co., Ltd. | 89 |
3 |
| Leybold GmbH | 294 |
3 |
| Dyson Technology Limited | 3885 |
2 |
| Edwards Limited | 781 |
2 |
| Airbus Defence and Space GmbH | 868 |
1 |
| Kyoto University | 2886 |
1 |
| PerkinElmer LAS, Inc. | 13 |
1 |
| Vtec Co., Ltd. | 35 |
1 |
| Kyoto Fusioneering Ltd. | 23 |
1 |
| Other owners | 0 |