- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 4/04 - Feed devices; Feed or outlet control devices using osmotic pressure
Patent holdings for IPC class B01J 4/04
Total number of patents in this class: 12
10-year publication summary
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0
|
0
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2
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0
|
1
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3
|
2
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0
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0
|
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
|
|---|---|---|
| Casio Computer Co., Ltd. | 3343 |
1 |
| Activated Research Company, LLC | 17 |
1 |
| Johnsondiversey, Inc. | 98 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
1 |
| Porifera, Inc. | 67 |
1 |
| Technische Universität Dresden | 567 |
1 |
| Xiamen University | 488 |
1 |
| Zhengzhou University | 88 |
1 |
| Filtration Group GmbH | 19 |
1 |
| Subcuject APS | 9 |
1 |
| Hosei University | 34 |
1 |
| Kaiwa Industrial Co., Ltd. | 2 |
1 |
| Other owners | 0 |