- All sections
- B - Performing operationstransporting
- B09C - Reclamation of contaminated soil
- B09C 1/04 - Flotation
Patent holdings for IPC class B09C 1/04
Total number of patents in this class: 5
10-year publication summary
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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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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
|
|---|---|---|
| GS Engineering & Construction Corp. | 30 |
1 |
| Institut National de La Recherche Scientifique | 256 |
1 |
| Shimizu Corporation | 94 |
1 |
| Sutherland Separation Systems, Inc. | 2 |
1 |
| Tyco Flow Services AG | 3 |
1 |
| Other owners | 0 |