- All sections
- B - Performing operationstransporting
- B01L - Chemical or physical laboratory apparatus for general use
- B01L 5/04 - Gas washing apparatus, e.g. by bubbling
Patent holdings for IPC class B01L 5/04
Total number of patents in this class: 8
10-year publication summary
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0
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0
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2
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0
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0
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0
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1
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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
|
|---|---|---|
| Institute of Process Engineering, Chinese Academy of Sciences | 285 |
2 |
| Beijing Zhongkaihongde Technology Co., Ltd. | 23 |
1 |
| bioMerieux, Inc. | 435 |
1 |
| Emery Oleochemicals LLC | 13 |
1 |
| HORIBA STEC, Co., Ltd. | 320 |
1 |
| Norecs Norwegian Electro Ceramics AS | 2 |
1 |
| Beijing Zhongkaihong de Technology Co., Ltd | 1 |
1 |
| Other owners | 0 |