- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped; siphons
- F04F 1/12 - Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped of multiple type, e.g. with two or more units in parallel in series
Patent holdings for IPC class F04F 1/12
Total number of patents in this class: 9
10-year publication summary
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0
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0
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0
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5
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0
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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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12404 |
2 |
| Aramco Services Company | 3740 |
1 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1498 |
1 |
| Koks Group B.V. | 12 |
1 |
| Linde Aktiengesellschaft | 1551 |
1 |
| Screen Holdings Co., Ltd. | 2636 |
1 |
| Ltec. Co., Ltd. | 1 |
1 |
| Storage Drop Ltd | 8 |
1 |
| Other owners | 0 |